Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Monday, October 13, 2025, 4:18 AM EDT
Temperature Locations
View Nearby Locations View All Florida Locations View Locations Near Me
Local Points of Interest
Jacksonville UniversitySponsored Content
Station Name: Jacksonville University
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
2800 University Blvd N
Jacksonville, FL 32211
Duval County
GPS Coordinates: 30.354083, -81.61175
Nearby Water Temperatures
St. Johns River, Jacksonville, FL (3.9 mi)St. Johns River, Jacksonville, FL (3.9 mi)
St. Johns River, Jacksonville, FL (3.9 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Pottsburg Creek, Jacksonville, FL (5.3 mi)
Dunn Creek, Jacksonville, FL (7.0 mi)
Broward River, Jacksonville, FL (7.0 mi)
St. Johns River, Jacksonville, FL (7.2 mi)
Clapboard Creek, Jacksonville, FL (8.4 mi)
Cedar River, Jacksonville, FL (9.1 mi)
Trout River, Jacksonville, FL (10.4 mi)
St. Johns River, Jacksonville, FL (11.4 mi)
St. Johns River, Jacksonville, FL (11.8 mi)
Ortega River, Jacksonville, FL (12.7 mi)
St. Johns River, Orange Park, FL (12.9 mi)
Weather for Jacksonville, Florida
Current Weather

Humidity: 68%
Feels Like: 68.2°F
Wind: NW 4.5 mph
Wind Gusts: 7.2 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 87°F
L: 63°F

Tue
H: 87°F
L: 64°F

Wed
H: 80°F
L: 68°F

Thu
H: 80°F
L: 68°F

Fri
H: 80°F
L: 67°F
Air Quality
Nitrogen Dioxide: 6.45 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 6:57 PM
Daylight: 11 hrs 30 mins
Moon Transit: 7:12 AM
Moonset: 2:36 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%
Best Times for Fishing or Hunting
Major Periods
6:42 AM - 9:12 AM8:20 PM - 10:50 PM
Minor Periods
2:06 PM - 3:36 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Coastal Flood Advisory issued October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval County. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Tuesday. For the High Rip Current Risk, through late Monday night. * 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 Warning issued October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...Significant coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 5 AM EDT Tuesday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Rip Current Statement issued October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval County. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Tuesday. For the High Rip Current Risk, through late Monday night. * 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 October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...Minor coastal flooding. * WHERE...Trout River County. * WHEN...Until 5 AM EDT Tuesday. * 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 October 13 at 1:44AM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Mon October 13, 2025, 1:44 AM
Expires: Mon October 13, 2025, 4:00 PM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Tuesday. For the High Rip Current Risk, through late tonight. * 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 October 13 at 1:44AM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Mon October 13, 2025, 1:44 AM
Expires: Mon October 13, 2025, 4:00 PM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Tuesday. For the High Rip Current Risk, through late tonight. * 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 October 13 at 1:44AM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Mon October 13, 2025, 1:44 AM
Expires: Mon October 13, 2025, 4:00 PM
* WHAT...Minor coastal flooding. * WHERE...Trout River County. * WHEN...Until 5 AM EDT Tuesday. * 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 Warning issued October 13 at 1:44AM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Mon October 13, 2025, 1:44 AM
Expires: Mon October 13, 2025, 4:00 PM
* WHAT...Significant coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 5 AM EDT Tuesday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Rip Current Statement issued October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...Through late Monday night. * 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 October 13 at 1:44AM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Mon October 13, 2025, 1:44 AM
Expires: Mon October 13, 2025, 4:00 PM
* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia 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 October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Tuesday. For the High Rip Current Risk, through late Monday night. * 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 October 12 at 7:38PM EDT until October 14 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun October 12, 2025, 7:38 PM
Expires: Mon October 13, 2025, 5:00 AM
* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Tuesday. For the High Rip Current Risk, through late Monday night. * 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: 73.5°F
Average Humidity: 71%
Wind: 6.7 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 79.64 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 6:57 PM
Daylight: 11 hrs 30 mins
Moon Transit: 7:12 AM
Moonset: 2:36 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%
Best Times for Fishing or Hunting
Major Periods
6:42 AM - 9:12 AM8:20 PM - 10:50 PM
Minor Periods
2:06 PM - 3:36 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 75.7°F
Average Humidity: 74%
Wind: 9.2 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 5.22 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 80.48 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 6:56 PM
Daylight: 11 hrs 28 mins
Moon Transit: 8:08 AM
Moonset: 3:20 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
7:38 AM - 10:08 AM9:14 PM - 11:44 PM
Minor Periods
2:50 PM - 4:20 PM12:21 AM - 1:51 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 74.2°F
Average Humidity: 71%
Wind: 11.4 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 4.19 μg/m3
Ozone: 93.68 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 6:55 PM
Daylight: 11 hrs 27 mins
Moon Transit: 9:00 AM
Moonset: 3:57 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%
Best Times for Fishing or Hunting
Major Periods
8:30 AM - 11:00 AM12:00 AM - 12:00 AM
Minor Periods
3:27 PM - 4:57 PM1:26 AM - 2:56 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 72.9°F
Average Humidity: 67%
Wind: 11.9 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 18.28 μg/m3
Sulphur Dioxide: 5.37 μg/m3
Ozone: 80.69 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 6:54 PM
Daylight: 11 hrs 25 mins
Moon Transit: 9:47 AM
Moonset: 4:29 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:17 AM - 11:47 AM
Minor Periods
3:59 PM - 5:29 PM2:28 AM - 3:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 71.5°F
Average Humidity: 58%
Wind: 9.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 6:53 PM
Daylight: 11 hrs 23 mins
Moon Transit: 10:30 AM
Moonset: 4:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:00 AM - 12:30 AM
Minor Periods
4:27 PM - 5:57 PM3:27 AM - 4:57 AM
Action Rating: 2 out of 5