Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Friday, September 12, 2025, 6:00 AM EDT
Temperature Locations
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Local Points of Interest
Dames Point Bridge; Henry H Buckman BridgeSponsored Content
Station Name: ST JOHNS R DAMES POINT BRIDGE AT JACKSONVILLE, FL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
I-295 (Dames Point Bridge)
Jacksonville, FL 32257
Duval County
GPS Coordinates: 30.3860727, -81.55814749
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 (5.3 mi)
Pottsburg Creek, Jacksonville, FL (6.9 mi)
Broward River, Jacksonville, FL (7.7 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
Trout River, Jacksonville, FL (12.5 mi)
Cedar River, Jacksonville, FL (13.0 mi)
St. Johns River, Jacksonville, FL (15.0 mi)
St. Johns River, Orange Park, FL (16.3 mi)
Ortega River, Jacksonville, FL (16.4 mi)
Weather for Jacksonville, Florida
Current Weather

Humidity: 77%
Feels Like: 82.9°F
Wind: NNE 10.3 mph
Wind Gusts: 11.8 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 5.3
Five Day Weather Forecast

Fri
H: 85°F
L: 72°F

Sat
H: 80°F
L: 73°F

Sun
H: 83°F
L: 71°F

Mon
H: 86°F
L: 70°F

Tue
H: 87°F
L: 74°F
Air Quality
Nitrogen Dioxide: 2.59 μg/m3
Sulphur Dioxide: 5.37 μg/m3
Ozone: 110 μg/m3
Astronomical
Sun Transit: 1:22 PM
Sunset: 7:35 PM
Daylight: 12 hrs 26 mins
Moon Transit: 5:15 AM
Moonset: 12:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
4:45 AM - 7:15 AM6:24 PM - 8:54 PM
Minor Periods
10:22 PM - 11:52 PM12:03 AM - 1:33 PM
Action Rating: 3 out of 5
Coastal Flood Advisory issued September 12 at 1:18AM EDT until September 13 at 6:00AM EDT by NWS Jacksonville FL
Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM
* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Coastal Flood Advisory issued September 12 at 1:18AM EDT until September 13 at 6:00AM EDT by NWS Jacksonville FL
Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM
* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Advisory, until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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.
Rip Current Statement issued September 12 at 1:18AM EDT until September 14 at 11:00PM EDT by NWS Jacksonville FL
Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM
* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Advisory, until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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.
Coastal Flood Advisory issued September 12 at 1:18AM EDT until September 13 at 6:00AM EDT by NWS Jacksonville FL
Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM
* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Coastal Flood Advisory issued September 12 at 1:18AM EDT until September 13 at 6:00AM EDT by NWS Jacksonville FL
Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM
* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Advisory, until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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
Average Temperature: 77.3°F
Average Humidity: 75%
Wind: 11.2 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 9.46 μg/m3
Sulphur Dioxide: 4.4 μg/m3
Ozone: 85.76 μg/m3
Astronomical
Sun Transit: 1:22 PM
Sunset: 7:35 PM
Daylight: 12 hrs 26 mins
Moon Transit: 5:15 AM
Moonset: 12:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
4:45 AM - 7:15 AM6:24 PM - 8:54 PM
Minor Periods
10:22 PM - 11:52 PM12:03 AM - 1:33 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 76.3°F
Average Humidity: 82%
Wind: 14.3 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 111.92 μg/m3
Astronomical
Sun Transit: 1:22 PM
Sunset: 7:34 PM
Daylight: 12 hrs 24 mins
Moon Transit: 6:14 AM
Moonset: 1:43 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Best Times for Fishing or Hunting
Major Periods
5:44 AM - 8:14 AM7:25 PM - 9:55 PM
Minor Periods
12:00 AM - 12:00 AM1:13 PM - 2:43 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 75.9°F
Average Humidity: 73%
Wind: 13.6 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 5.68 μg/m3
Sulphur Dioxide: 3.8 μg/m3
Ozone: 106.4 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 7:32 PM
Daylight: 12 hrs 22 mins
Moon Transit: 7:16 AM
Moonset: 2:49 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Best Times for Fishing or Hunting
Major Periods
6:46 AM - 9:16 AM8:27 PM - 10:57 PM
Minor Periods
2:19 PM - 3:49 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 77.6°F
Average Humidity: 59%
Wind: 12.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 95.36 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 7:31 PM
Daylight: 12 hrs 20 mins
Moon Transit: 8:18 AM
Moonset: 3:47 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%
Best Times for Fishing or Hunting
Major Periods
7:48 AM - 10:18 AM9:28 PM - 11:58 PM
Minor Periods
3:17 PM - 4:47 PM12:16 AM - 1:46 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 79.4°F
Average Humidity: 56%
Wind: 13.6 mph
UV Index: 7
Air Quality
Nitrogen Dioxide: 7.97 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 79.08 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 7:30 PM
Daylight: 12 hrs 18 mins
Moon Transit: 9:17 AM
Moonset: 4:38 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Best Times for Fishing or Hunting
Major Periods
8:47 AM - 11:17 AM12:00 AM - 12:00 AM
Minor Periods
4:08 PM - 5:38 PM1:21 AM - 2:51 AM
Action Rating: 2 out of 5