Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Monday, February 23, 2026, 5:06 PM 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: 57°F
L: 39°F

Tue
H: 57°F
L: 33°F

Wed
H: 66°F
L: 41°F

Thu
H: 73°F
L: 54°F

Fri
H: 76°F
L: 60°F
Air Quality
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 3.95 μg/m3
Ozone: 77 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 The Fire Weather Watch is no longer in effect.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.
Freeze Warning issued February 23 at 12:31PM EST until February 24 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:31 PM
Expires: Tue February 24, 2026, 1:00 AM
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EST Tuesday. For the 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. 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. Take steps now to protect tender plants from the cold.
Cold Weather Advisory issued February 23 at 12:31PM EST until February 24 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:31 PM
Expires: Tue February 24, 2026, 1:00 AM
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EST Tuesday. For the 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. 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. Take steps now to protect tender plants from the cold.
Red Flag Warning issued February 23 at 11:07AM EST until February 23 at 7:00PM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 11:07 AM
Expires: Mon February 23, 2026, 7:00 PM
* AFFECTED AREA...In Florida, Suwannee, Baker, Inland Nassau, Union, Bradford, Gilchrist, Inland Flagler, Eastern Hamilton, Coastal Nassau, Coastal Duval, Eastern Clay, Eastern Alachua, Eastern Putnam, Coastal Flagler, Eastern Marion, Western Hamilton, Trout River, Western Clay, Northeast Coastal St. Johns, Western Alachua, Western Putnam, Central Marion, Northern Columbia, South Central Duval, Southeast Coastal St. Johns, Western Marion, Southeastern Columbia, Western Duval, Northern Inland St. Johns, Southwestern Columbia, Southern Inland St. Johns and Western St. Johns. * TIMING...1 PM to 7 PM Monday. * WINDS...Northwest around 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 26 percent. * TEMPERATURES...Up to 53. * 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 warm temperatures can contribute to extreme fire behavior.
Freeze Warning issued February 23 at 12:31PM EST until February 24 at 9:00AM EST by NWS Jacksonville FL
Effective: Mon February 23, 2026, 12:31 PM
Expires: Tue February 24, 2026, 1:00 AM
* WHAT...Sub-freezing temperatures as low as 23 expected. * WHERE...All of southeast Georgia. * WHEN...From midnight tonight to 9 AM EST Tuesday. * IMPACTS...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.
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
