Water Temperature of the St. Johns River in Jacksonville, FL

Current Water Temperature

86.7°F

Measurement Time: Friday, August 22, 2025, 12:00 PM EDT

Temperature Locations

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Local Points of Interest

Dames Point Bridge; Henry H Buckman Bridge

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St. Johns River

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

79°F
Overcast
Conditions: Overcast
Humidity: 74%
Feels Like: 83°F
Wind: SE 4.7 mph
Wind Gusts: 6.8 mph
Pressure: 29.93 in
Precipitation: 0.2 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.7

Five Day Weather Forecast

Heavy rain
Fri
H: 88°F
L: 75°F
Heavy rain
Sat
H: 86°F
L: 77°F
Mist
Sun
H: 89°F
L: 76°F
Patchy rain nearby
Mon
H: 96°F
L: 77°F
Sunny
Tue
H: 96°F
L: 74°F

Air Quality

AQI: 2 - Moderate
PM2.5: 14.8 μg/m3
PM10: 15.36 μg/m3
Carbon Monoxide: 449.55 μg/m3
Nitrogen Dioxide: 16.1 μg/m3
Sulphur Dioxide: 11.29 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:29 PM
Sunset: 8:00 PM
Daylight: 13 hrs 3 mins
Moonrise: 6:12 AM
Moon Transit: 1:06 PM
Moonset: 7:53 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
12:36 AM - 3:06 PM

Minor Periods

7:23 PM - 8:53 PM
5:42 AM - 7:12 AM

Action Rating: 4 out of 5

Special Weather Statement issued August 22 at 1:56PM EDT by NWS Jacksonville FL

Effective: Fri August 22, 2025, 1:56 PM
Expires: Fri August 22, 2025, 3:00 PM

At 155 PM EDT, Doppler radar was tracking a strong thunderstorm near Kingsland, moving east at 15 mph. HAZARD...Wind gusts of 45 to 55 mph and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor flooding due to heavy rainfall is possible. Locations impacted include... Jacksonville, St. Marys, Kingsland, Fernandina Beach, Jacksonville International Arpt, Unf, Kings Bay Base, Mandarin, Arlington, and Atlantic Beach.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


Rip Current Statement issued August 22 at 1:50PM EDT until August 23 at 8:00PM EDT by NWS Jacksonville FL

Effective: Fri August 22, 2025, 1:50 PM
Expires: Sat August 23, 2025, 6:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through Saturday evening. * 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.


Special Weather Statement issued August 22 at 1:56PM EDT by NWS Jacksonville FL

Effective: Fri August 22, 2025, 1:56 PM
Expires: Fri August 22, 2025, 3:00 PM

At 155 PM EDT, Doppler radar was tracking a strong thunderstorm near Kingsland, moving east at 15 mph. HAZARD...Wind gusts of 45 to 55 mph and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor flooding due to heavy rainfall is possible. Locations impacted include... Jacksonville, St. Marys, Kingsland, Fernandina Beach, Jacksonville International Arpt, Unf, Kings Bay Base, Mandarin, Arlington, and Atlantic Beach.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


Rip Current Statement issued August 22 at 1:50PM EDT until August 23 at 8:00PM EDT by NWS Jacksonville FL

Effective: Fri August 22, 2025, 1:50 PM
Expires: Sat August 23, 2025, 6:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through Saturday evening. * 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 August 22 at 1:50PM EDT until August 23 at 8:00PM EDT by NWS Jacksonville FL

Effective: Fri August 22, 2025, 1:50 PM
Expires: Sat August 23, 2025, 6:00 AM

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through Saturday evening. * 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.


Friday, August 22, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 81.3°F
Average Humidity: 85%
Chance of Rain: 89%
Wind: 6.9 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 20.91 μg/m3
PM10: 21.76 μg/m3
Carbon Monoxide: 428.53 μg/m3
Nitrogen Dioxide: 12.81 μg/m3
Sulphur Dioxide: 7.04 μg/m3
Ozone: 91.16 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:29 PM
Sunset: 8:00 PM
Daylight: 13 hrs 3 mins
Moonrise: 6:12 AM
Moon Transit: 1:06 PM
Moonset: 7:53 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
12:36 AM - 3:06 PM

Minor Periods

7:23 PM - 8:53 PM
5:42 AM - 7:12 AM

Action Rating: 4 out of 5

Saturday, August 23, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 80°F
Average Humidity: 91%
Chance of Rain: 86%
Wind: 6.9 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 12.51 μg/m3
PM10: 12.88 μg/m3
Carbon Monoxide: 372.81 μg/m3
Nitrogen Dioxide: 13.05 μg/m3
Sulphur Dioxide: 10.33 μg/m3
Ozone: 83.12 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:28 PM
Sunset: 7:59 PM
Daylight: 13 hrs 1 mins
Moonrise: 7:13 AM
Moon Transit: 1:52 PM
Moonset: 8:24 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
1:22 PM - 3:52 PM

Minor Periods

7:54 PM - 9:24 PM
6:43 AM - 8:13 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 81.7°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 10.33 μg/m3
PM10: 10.63 μg/m3
Carbon Monoxide: 372.29 μg/m3
Nitrogen Dioxide: 13.11 μg/m3
Sulphur Dioxide: 6.91 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:28 PM
Sunset: 7:58 PM
Daylight: 12 hrs 59 mins
Moonrise: 8:12 AM
Moon Transit: 2:35 PM
Moonset: 8:51 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
2:05 PM - 4:35 PM

Minor Periods

8:21 PM - 9:51 PM
7:42 AM - 9:12 AM

Action Rating: 4 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.2°F
Average Humidity: 71%
Chance of Rain: 80%
Wind: 7.2 mph
UV Index: 1.7

Air Quality

AQI: 2 - Moderate
PM2.5: 16.92 μg/m3
PM10: 17.06 μg/m3
Carbon Monoxide: 401.45 μg/m3
Nitrogen Dioxide: 15 μg/m3
Sulphur Dioxide: 6.79 μg/m3
Ozone: 101.48 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:28 PM
Sunset: 7:57 PM
Daylight: 12 hrs 58 mins
Moonrise: 9:09 AM
Moon Transit: 3:16 PM
Moonset: 9:17 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

3:35 AM - 6:05 AM
2:46 PM - 5:16 PM

Minor Periods

8:47 PM - 10:17 PM
8:39 AM - 10:09 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.3°F
Average Humidity: 45%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 18.87 μg/m3
PM10: 19.04 μg/m3
Carbon Monoxide: 553.15 μg/m3
Nitrogen Dioxide: 18.88 μg/m3
Sulphur Dioxide: 8.2 μg/m3
Ozone: 99.69 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:27 PM
Sunset: 7:56 PM
Daylight: 12 hrs 56 mins
Moonrise: 10:04 AM
Moon Transit: 3:57 PM
Moonset: 9:43 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:16 AM - 6:46 AM
3:27 PM - 5:57 PM

Minor Periods

9:13 PM - 10:43 PM
9:34 AM - 11:04 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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