Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Monday, May 12, 2025, 1:30 PM EDT
Temperature Locations
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Station Name: ST. JOHNS RIVER AT JACKSONVILLE, FL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
S Acosta Bridge
Jacksonville, FL 32202
Duval County
GPS Coordinates: 30.3224616, -81.6653735
Nearby Water Temperatures
St. Johns River, Jacksonville, FL (1.3 mi)St. Johns River, Jacksonville, FL (3.9 mi)
St. Johns River, Jacksonville, FL (5.0 mi)
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Pottsburg Creek, Jacksonville, FL (6.2 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
Broward River, Jacksonville, FL (8.4 mi)
St. Johns River, Jacksonville, FL (9.1 mi)
Ortega River, Jacksonville, FL (9.2 mi)
Trout River, Jacksonville, FL (9.6 mi)
St. Johns River, Orange Park, FL (9.9 mi)
Dunn Creek, Jacksonville, FL (10.0 mi)
Clapboard Creek, Jacksonville, FL (12.2 mi)
Julington Creek, Jacksonville, FL (13.7 mi)
Weather for Jacksonville, Florida
Current Weather

Humidity: 67%
Feels Like: 87.9°F
Wind: SSE 8.7 mph
Wind Gusts: 14.3 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 2.9
Five Day Weather Forecast

Mon
H: 78°F
L: 70°F

Tue
H: 82°F
L: 67°F

Wed
H: 91°F
L: 69°F

Thu
H: 95°F
L: 70°F

Fri
H: 98°F
L: 71°F
Air Quality
Nitrogen Dioxide: 9.99 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:12 PM
Daylight: 13 hrs 38 mins
Moon Transit: 12:56 AM
Moonset: 6:12 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:26 AM - 2:56 AM1:57 PM - 4:27 PM
Minor Periods
8:03 PM - 9:33 PM5:42 AM - 7:12 AM
Action Rating: 4 out of 5
Rip Current Statement issued May 12 at 3:10AM EDT until May 13 at 4:00AM EDT by NWS Jacksonville FL
Effective: Mon May 12, 2025, 3:10 AM
Expires: Mon May 12, 2025, 5:00 PM
* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through late tonight. * IMPACTS...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.
Rip Current Statement issued May 12 at 3:10AM EDT until May 13 at 4:00AM EDT by NWS Jacksonville FL
Effective: Mon May 12, 2025, 3:10 AM
Expires: Mon May 12, 2025, 5:00 PM
* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through late tonight. * IMPACTS...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.
Rip Current Statement issued May 12 at 3:10AM EDT until May 13 at 4:00AM EDT by NWS Jacksonville FL
Effective: Mon May 12, 2025, 3:10 AM
Expires: Mon May 12, 2025, 5:00 PM
* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through late tonight. * IMPACTS...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.
Rip Current Statement issued May 12 at 3:10AM EDT until May 13 at 4:00AM EDT by NWS Jacksonville FL
Effective: Mon May 12, 2025, 3:10 AM
Expires: Mon May 12, 2025, 5:00 PM
* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through late tonight. * IMPACTS...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.
Rip Current Statement issued May 12 at 3:10AM EDT until May 13 at 4:00AM EDT by NWS Jacksonville FL
Effective: Mon May 12, 2025, 3:10 AM
Expires: Mon May 12, 2025, 5:00 PM
* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through late tonight. * IMPACTS...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
Average Temperature: 73.9°F
Average Humidity: 91%
Wind: 11 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 6.9 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 69.92 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:12 PM
Daylight: 13 hrs 38 mins
Moon Transit: 12:56 AM
Moonset: 6:12 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:26 AM - 2:56 AM1:57 PM - 4:27 PM
Minor Periods
8:03 PM - 9:33 PM5:42 AM - 7:12 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 73.6°F
Average Humidity: 80%
Wind: 9.4 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 7.5 μg/m3
Sulphur Dioxide: 3.99 μg/m3
Ozone: 93.32 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:13 PM
Daylight: 13 hrs 39 mins
Moon Transit: 1:42 AM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
1:12 AM - 3:42 AM2:46 PM - 5:16 PM
Minor Periods
9:00 PM - 10:30 PM6:19 AM - 7:49 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 77.9°F
Average Humidity: 72%
Wind: 8.5 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 7.67 μg/m3
Sulphur Dioxide: 4.06 μg/m3
Ozone: 108.88 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 40 mins
Moon Transit: 2:32 AM
Moonset: 7:31 AM
Moon Phase: Full
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
2:02 AM - 4:32 AM3:37 PM - 6:07 PM
Minor Periods
9:58 PM - 11:28 PM7:01 AM - 8:31 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 81.7°F
Average Humidity: 60%
Wind: 7.2 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 8.98 μg/m3
Sulphur Dioxide: 3.32 μg/m3
Ozone: 97.4 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 41 mins
Moon Transit: 3:24 AM
Moonset: 8:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.2%
Best Times for Fishing or Hunting
Major Periods
2:54 AM - 5:24 AM4:30 PM - 7:00 PM
Minor Periods
12:00 AM - 12:00 AM7:51 AM - 9:21 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 83.5°F
Average Humidity: 48%
Wind: 7.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 8.54 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 73.69 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:15 PM
Daylight: 13 hrs 43 mins
Moon Transit: 4:18 AM
Moonset: 9:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.3%
Best Times for Fishing or Hunting
Major Periods
3:48 AM - 6:18 AM5:24 PM - 7:54 PM
Minor Periods
8:45 AM - 10:15 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5