Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Monday, February 23, 2026, 10:54 AM EST
Today's Tides
High: February 23, 12:45 AM, 3.4 ft
Low: February 23, 7:39 AM, -0.2 ft
High: February 23, 1:14 PM, 2.9 ft
Low: February 23, 7:33 PM, -0.5 ft
Temperature Locations
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Local Points of Interest
Dames Point; Blount IslandStation Name: Dames Point
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 30 feet
Sensor Depth: -3 feet
Nearest Address:
I-295 S
Jacksonville, FL 32226
Duval County
GPS Coordinates: 30.387222, -81.559166
Nearby Water Temperatures
St. Johns River, Jacksonville, FL (0.1 mi)St. Johns River, Jacksonville, FL (3.9 mi)
Clapboard Creek, Jacksonville, FL (4.8 mi)
Dunn Creek, Jacksonville, FL (5.2 mi)
Pottsburg Creek, Jacksonville, FL (7 mi)
Broward River, Jacksonville, FL (7.6 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
Trout River, Jacksonville, FL (12.4 mi)
Cedar River, Jacksonville, FL (13 mi)
St. Johns River, Jacksonville, FL (15 mi)
St. Johns River, Orange Park, FL (16.4 mi)
Ortega River, Jacksonville, FL (16.4 mi)
Weather for Jacksonville, Florida
Current Weather

Five Day Weather Forecast

Mon
H: 56°F
L: 37°F

Tue
H: 55°F
L: 35°F

Wed
H: 64°F
L: 41°F

Thu
H: 78°F
L: 51°F

Fri
H: 69°F
L: 59°F
Air Quality
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 94 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:21 PM
Daylight: 11 hrs 22 mins
Moon Transit: 5:47 PM
Moonset: 12:01 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
5:59 AM - 8:29 AM5:17 PM - 7:47 PM
Minor Periods
10:03 AM - 11:33 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Red Flag Warning issued February 23 at 1:14AM EST until February 23 at 6:00PM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 1:14 AM
Expires: Mon February 23, 2026, 6:00 PM
The National Weather Service in Jacksonville has issued a Red Flag Warning for critically low humidity values, strong northwesterly winds, and ongoing extreme drought conditions, which is in effect from 1 PM this afternoon to 6 PM EST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Florida, Baker, Inland Nassau, Union, Bradford, Gilchrist, Inland Flagler, Eastern Clay, Eastern Alachua, Eastern Putnam, Coastal Flagler, Eastern Marion, Western Clay, Western Alachua, Western Putnam, Central Marion, Southeast Coastal St. Johns, Western Marion, Western Duval, Northern Inland St. Johns, Southern Inland St. Johns and Western St. Johns. * TIMING...1 PM to 6 PM Monday. * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 25 percent. * TEMPERATURES...Up to 55. * IMPACTS...Ongoing wildfires will become difficult to contain and newly ignited fires may exhibit erratic fire behavior. Rapid rates of wildfire spread is expected.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and ongoing drought conditions can contribute to extreme fire behavior.
Cold Weather Advisory issued February 23 at 12:22AM EST until February 24 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:22 AM
Expires: Mon February 23, 2026, 9:15 AM
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. For the second Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...Portions of northeast and northern Florida. * WHEN...For the first Cold Weather Advisory, from 4 AM to 9 AM EST this morning. For the Freeze Warning, from midnight tonight to 9 AM EST Tuesday. For the second Cold Weather Advisory, from 2 AM to 9 AM EST Tuesday. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold.
Freeze Warning issued February 23 at 12:22AM EST until February 24 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:22 AM
Expires: Mon February 23, 2026, 9:15 AM
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. For the second Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...Portions of northeast and northern Florida. * WHEN...For the first Cold Weather Advisory, from 4 AM to 9 AM EST this morning. For the Freeze Warning, from midnight tonight to 9 AM EST Tuesday. For the second Cold Weather Advisory, from 2 AM to 9 AM EST Tuesday. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold.
Cold Weather Advisory issued February 23 at 12:22AM EST until February 23 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:22 AM
Expires: Mon February 23, 2026, 9:15 AM
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. For the second Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...Portions of northeast and northern Florida. * WHEN...For the first Cold Weather Advisory, from 4 AM to 9 AM EST this morning. For the Freeze Warning, from midnight tonight to 9 AM EST Tuesday. For the second Cold Weather Advisory, from 2 AM to 9 AM EST Tuesday. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold.
Freeze Warning issued February 23 at 12:22AM EST until February 23 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:22 AM
Expires: Mon February 23, 2026, 9:15 AM
* WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 30. For the first Cold Weather Advisory, very cold wind chills as low as 20 expected. For the second Freeze Warning, sub-freezing temperatures as low as 26 expected, a hard freeze is possible for some locations. For the second Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...Baker, Inland Nassau, Eastern Hamilton, Northern Columbia, and Western Hamilton Counties. * WHEN...For the first Freeze Warning, until 9 AM EST this morning. For the first Cold Weather Advisory, from 4 AM to 9 AM EST this morning. For the second Freeze Warning, from midnight tonight to 9 AM EST Tuesday. For the second Cold Weather Advisory, from 2 AM to 9 AM EST Tuesday. * IMPACTS...The cold wind chills as low as 20 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold. Take steps now to protect tender plants from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.59 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 85.48 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:21 PM
Daylight: 11 hrs 22 mins
Moon Transit: 5:47 PM
Moonset: 12:01 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
5:59 AM - 8:29 AM5:17 PM - 7:47 PM
Minor Periods
10:03 AM - 11:33 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.76 μg/m3
Sulphur Dioxide: 5.39 μg/m3
Ozone: 78.32 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:22 PM
Daylight: 11 hrs 24 mins
Moon Transit: 6:48 PM
Moonset: 1:10 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%
Best Times for Fishing or Hunting
Major Periods
6:58 AM - 9:28 AM6:18 PM - 8:48 PM
Minor Periods
10:51 AM - 12:21 AM12:40 AM - 2:10 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.04 μg/m3
Sulphur Dioxide: 3.36 μg/m3
Ozone: 83.8 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:23 PM
Daylight: 11 hrs 26 mins
Moon Transit: 7:50 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%
Best Times for Fishing or Hunting
Major Periods
7:59 AM - 10:29 AM7:20 PM - 9:50 PM
Minor Periods
11:49 AM - 1:19 PM1:49 AM - 3:19 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.18 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 89 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 6:23 PM
Daylight: 11 hrs 28 mins
Moon Transit: 8:53 PM
Moonset: 3:22 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%
Best Times for Fishing or Hunting
Major Periods
9:02 AM - 11:32 AM8:23 PM - 10:53 PM
Minor Periods
12:53 AM - 2:23 PM2:52 AM - 4:22 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.74 μg/m3
Sulphur Dioxide: 2.69 μg/m3
Ozone: 80.62 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:24 PM
Daylight: 11 hrs 29 mins
Moon Transit: 9:52 PM
Moonset: 4:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
10:03 AM - 12:33 AM9:22 PM - 11:52 PM
Minor Periods
2:02 PM - 3:32 PM3:49 AM - 5:19 AM
Action Rating: 2 out of 5
