Weather Near Key Largo, Florida
Current Weather
Five Day Weather Forecast
Sun
H: 54°F
L: 41°F
Mon
H: 60°F
L: 43°F
Tue
H: 62°F
L: 51°F
Wed
H: 67°F
L: 62°F
Thu
H: 66°F
L: 63°F
Air Quality
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 87 μg/m3
Astronomical
Sun Transit: 12:35 AM
Sunset: 6:06 PM
Daylight: 11 hrs 2 mins
Moon Transit: 12:00 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:17 PM - 3:47 PM
Minor Periods
5:34 PM - 7:04 PM6:27 AM - 7:57 AM
Action Rating: 3 out of 5
Cold Weather Advisory issued January 31 at 1:59PM EST until February 1 at 10:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 10 to 20 mph with gusts up to 40 mph expected. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Coastal Collier County, and Mainland Monroe Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Monitor the latest forecasts and warnings for updates. If you do not have heat in your home or lack shelter, you can call 211. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Wind Advisory issued January 31 at 1:59PM EST until February 1 at 7:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 10 to 20 mph with gusts up to 40 mph expected. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Coastal Collier County, and Mainland Monroe Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Monitor the latest forecasts and warnings for updates. If you do not have heat in your home or lack shelter, you can call 211. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Cold Weather Advisory issued January 31 at 10:54PM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sat January 31, 2026, 10:54 PM
Expires: Sun February 1, 2026, 7:00 AM
* WHAT...For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 45 mph. For the Cold Weather Advisory, very cold wind chills in the mid 20s are expected. * WHERE...Monroe Upper Keys. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Very cold temperatures can lead to hypothermia with prolonged exposure.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Wind Advisory issued January 31 at 10:54PM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sat January 31, 2026, 10:54 PM
Expires: Sun February 1, 2026, 7:00 AM
* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph. * WHERE...Monroe Lower Keys and Monroe Middle Keys. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Wind Advisory issued January 31 at 10:54PM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sat January 31, 2026, 10:54 PM
Expires: Sun February 1, 2026, 7:00 AM
* WHAT...For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 45 mph. For the Cold Weather Advisory, very cold wind chills in the mid 20s are expected. * WHERE...Monroe Upper Keys. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Very cold temperatures can lead to hypothermia with prolonged exposure.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Coastal Flood Statement issued January 31 at 10:51PM EST until February 1 at 5:00AM EST by NWS Key West FL
Effective: Sat January 31, 2026, 10:51 PM
Expires: Sun February 1, 2026, 5:00 AM
* WHAT...Minor saltwater flooding expected. * WHERE...Upper and Middle Florida Keys. * WHEN...Through early Sunday morning. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. * ADDITIONAL DETAILS...
Do not drive through flooded roadways.
Coastal Flood Statement issued January 31 at 10:51PM EST until February 1 at 5:00AM EST by NWS Key West FL
Effective: Sat January 31, 2026, 10:51 PM
Expires: Sun February 1, 2026, 5:00 AM
* WHAT...Minor saltwater flooding expected. * WHERE...Lower Florida Keys. * WHEN...Until 5 AM EST Sunday. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. * ADDITIONAL DETAILS...
Do not drive through flooded roadways.
Coastal Flood Statement issued February 1 at 4:04AM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sun February 1, 2026, 4:04 AM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...Minor saltwater flooding expected. * WHERE...Florida Keys. * WHEN...Through this morning. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater.
Do not drive through flooded roadways.
Wind Advisory issued February 1 at 4:03AM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sun February 1, 2026, 4:03 AM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 26. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 30 mph. * WHERE...Monroe Upper Keys. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Very cold temperatures can lead to hypothermia with prolonged exposure.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Wind Advisory issued February 1 at 4:03AM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sun February 1, 2026, 4:03 AM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph. * WHERE...Monroe Lower Keys and Monroe Middle Keys. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Cold Weather Advisory issued February 1 at 4:03AM EST until February 1 at 10:00AM EST by NWS Key West FL
Effective: Sun February 1, 2026, 4:03 AM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 26. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 30 mph. * WHERE...Monroe Upper Keys. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Very cold temperatures can lead to hypothermia with prolonged exposure.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Freeze Warning issued January 31 at 1:59PM EST until February 1 at 10:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 10 to 20 mph with gusts up to 40 mph expected. For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Cold Weather Advisory, very cold wind chills as low as 21 expected. * WHERE...Metro Broward County and Metropolitan Miami Dade Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Monitor the latest forecasts and warnings for updates. If you do not have heat in your home or lack shelter, you can call 211. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Cold Weather Advisory issued January 31 at 1:59PM EST until February 1 at 10:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 10 to 20 mph with gusts up to 40 mph expected. For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Cold Weather Advisory, very cold wind chills as low as 21 expected. * WHERE...Metro Broward County and Metropolitan Miami Dade Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Monitor the latest forecasts and warnings for updates. If you do not have heat in your home or lack shelter, you can call 211. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Cold Weather Advisory issued January 31 at 1:59PM EST until February 1 at 10:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Freeze Warning issued January 31 at 1:59PM EST until February 1 at 10:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Wind Advisory issued January 31 at 1:59PM EST until February 1 at 7:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 45 mph expected. Sub-freezing temperatures as low as the upper 20s to lower 30s expected. Apparent temperatures as low as the low to mid 20s. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Wind Advisory issued January 31 at 1:59PM EST until February 1 at 7:00AM EST by NWS Miami FL
Effective: Sat January 31, 2026, 1:59 PM
Expires: Sun February 1, 2026, 10:00 AM
* WHAT...For the Wind Advisory, northwest winds 10 to 20 mph with gusts up to 40 mph expected. For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Cold Weather Advisory, very cold wind chills as low as 21 expected. * WHERE...Metro Broward County and Metropolitan Miami Dade Counties. * WHEN...For the Wind Advisory, until 7 AM EST Sunday. For the Freeze Warning and Cold Weather Advisory, from 10 PM this evening to 10 AM EST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Monitor the latest forecasts and warnings for updates. If you do not have heat in your home or lack shelter, you can call 211. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Rip Current Statement issued January 31 at 10:36PM EST until February 1 at 7:00PM EST by NWS Miami FL
Effective: Sat January 31, 2026, 10:36 PM
Expires: Sun February 1, 2026, 1:00 PM
* WHAT...Dangerous rip currents expected. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...From 7 AM EST Sunday through Sunday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 88.88 μg/m3
Astronomical
Sun Transit: 12:35 AM
Sunset: 6:06 PM
Daylight: 11 hrs 2 mins
Moon Transit: 12:00 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:17 PM - 3:47 PM
Minor Periods
5:34 PM - 7:04 PM6:27 AM - 7:57 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 88.24 μg/m3
Astronomical
Sun Transit: 12:35 AM
Sunset: 6:07 PM
Daylight: 11 hrs 3 mins
Moon Transit: 12:54 AM
Moonset: 7:38 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
12:24 AM - 2:54 AM2:09 PM - 4:39 PM
Minor Periods
6:37 PM - 8:07 PM7:08 AM - 8:38 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.28 μg/m3
Sulphur Dioxide: 3.39 μg/m3
Ozone: 85.72 μg/m3
Astronomical
Sun Transit: 12:35 AM
Sunset: 6:08 PM
Daylight: 11 hrs 4 mins
Moon Transit: 1:44 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
1:14 AM - 3:44 AM2:57 PM - 5:27 PM
Minor Periods
7:37 PM - 9:07 PM7:45 AM - 9:15 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.91 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 94.52 μg/m3
Astronomical
Sun Transit: 12:35 AM
Sunset: 6:09 PM
Daylight: 11 hrs 6 mins
Moon Transit: 2:30 AM
Moonset: 8:48 AM
Moon Phase: Full
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
2:00 AM - 4:30 AM3:41 PM - 6:11 PM
Minor Periods
8:34 PM - 10:04 PM8:18 AM - 9:48 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 93.23 μg/m3
Astronomical
Sun Transit: 12:35 AM
Sunset: 6:09 PM
Daylight: 11 hrs 7 mins
Moon Transit: 3:14 AM
Moonset: 9:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
2:44 AM - 5:14 AM4:24 PM - 6:54 PM
Minor Periods
9:29 PM - 10:59 PM8:48 AM - 10:18 AM
Action Rating: 2 out of 5