Weather for Key West, Florida
Current Weather
Humidity: 85%
Feels Like: 96.8°F
Wind: SSW 6 mph
Wind Gusts: 8.3 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 3.5
Five Day Weather Forecast
Wed
H: 87°F
L: 82°F
Thu
H: 85°F
L: 84°F
Fri
H: 84°F
L: 83°F
Sat
H: 82°F
L: 78°F
Sun
H: 83°F
L: 82°F
Air Quality
Nitrogen Dioxide: 0.93 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:36 PM
Daylight: 12 hrs 24 mins
Moon Transit: 3:26 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.2%
Best Times for Fishing or Hunting
Major Periods
2:56 AM - 5:26 AM4:30 PM - 7:00 PM
Minor Periods
9:05 PM - 10:35 PM9:35 AM - 11:05 AM
Action Rating: 2 out of 5
Coastal Flood Statement issued September 10 at 4:32AM EDT until September 10 at 8:00PM EDT by NWS Miami FL
Effective: Wed September 10, 2025, 4:32 AM
Expires: Wed September 10, 2025, 5:00 PM
* WHAT...Isolated minor coastal flooding. * WHERE...Mainland Monroe. * WHEN...Through this evening. * IMPACTS...Some water on low lying roads and property.
Do not drive through flooded roadways.
Coastal Flood Statement issued September 10 at 4:30AM EDT until September 11 at 6:00AM EDT by NWS Key West FL
Effective: Wed September 10, 2025, 4:30 AM
Expires: Wed September 10, 2025, 12:30 PM
* WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Through late tonight. * 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. Little relief can be expected, even at lower tides. * ADDITIONAL DETAILS...
Do not drive through flooded roadways.
Coastal Flood Statement issued September 10 at 4:32AM EDT until September 10 at 8:00PM EDT by NWS Miami FL
Effective: Wed September 10, 2025, 4:32 AM
Expires: Wed September 10, 2025, 5:00 PM
* WHAT...Isolated minor coastal flooding. * WHERE...Mainland Monroe. * WHEN...Through this evening. * IMPACTS...Some water on low lying roads and property.
Do not drive through flooded roadways.
Coastal Flood Statement issued September 10 at 4:30AM EDT until September 11 at 6:00AM EDT by NWS Key West FL
Effective: Wed September 10, 2025, 4:30 AM
Expires: Wed September 10, 2025, 12:30 PM
* WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Through late tonight. * 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. Little relief can be expected, even at lower tides. * ADDITIONAL DETAILS...
Do not drive through flooded roadways.
Weather Forecast
Average Temperature: 83.9°F
Average Humidity: 78%
Wind: 9.8 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 1.84 μg/m3
Sulphur Dioxide: 3.21 μg/m3
Ozone: 77.72 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:36 PM
Daylight: 12 hrs 24 mins
Moon Transit: 3:26 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.2%
Best Times for Fishing or Hunting
Major Periods
2:56 AM - 5:26 AM4:30 PM - 7:00 PM
Minor Periods
9:05 PM - 10:35 PM9:35 AM - 11:05 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 84°F
Average Humidity: 75%
Wind: 3.4 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 1.32 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 77.64 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 7:35 PM
Daylight: 12 hrs 23 mins
Moon Transit: 4:19 AM
Moonset: 11:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 77.5%
Best Times for Fishing or Hunting
Major Periods
3:49 AM - 6:19 AM5:25 PM - 7:55 PM
Minor Periods
9:49 PM - 11:19 PM10:41 AM - 12:11 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 83.4°F
Average Humidity: 79%
Wind: 14.1 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 64.48 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 7:34 PM
Daylight: 12 hrs 21 mins
Moon Transit: 5:16 AM
Moonset: 12:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
4:46 AM - 7:16 AM6:23 PM - 8:53 PM
Minor Periods
12:00 AM - 12:00 AM11:50 AM - 1:20 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 81.4°F
Average Humidity: 76%
Wind: 15.9 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 86 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 7:33 PM
Daylight: 12 hrs 20 mins
Moon Transit: 6:15 AM
Moonset: 1:27 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Best Times for Fishing or Hunting
Major Periods
5:45 AM - 8:15 AM7:24 PM - 9:54 PM
Minor Periods
12:57 AM - 2:27 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 82.5°F
Average Humidity: 64%
Wind: 8.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 1.79 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 109.15 μg/m3
Astronomical
Sun Transit: 1:22 PM
Sunset: 7:31 PM
Daylight: 12 hrs 19 mins
Moon Transit: 7:17 AM
Moonset: 2:33 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Best Times for Fishing or Hunting
Major Periods
6:47 AM - 9:17 AM8:26 PM - 10:56 PM
Minor Periods
2:03 PM - 3:33 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5