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

Current Water Temperature

66.6°F

Measurement Time: Thursday, March 5, 2026, 2:48 PM EST

Temperature Locations

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Local Points of Interest

Jacksonville University

St. Johns River

Station Name: Jacksonville University
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

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 mi)
Broward River, Jacksonville, FL (7 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

82°F
Partly cloudy
Partly cloudy
84.8°F
82.8°F
53%
ESE 9.4 mph
10.8 mph
80.1°F
66.6°F
0 in
50%
9 mi
1023 mbar
7

Five Day Weather Forecast

Sunny
Thu
H: 82°F
L: 57°F
Cloudy
Fri
H: 80°F
L: 65°F
Mist
Sat
H: 82°F
L: 65°F
Patchy rain nearby
Sun
H: 86°F
L: 65°F
Patchy rain nearby
Mon
H: 87°F
L: 66°F

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 12.35 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 10.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:37 AM
Sunset: 6:28 PM
Daylight: 11 hrs 40 mins
Moonrise: 8:50 PM
Moon Transit: 1:53 AM
Moonset: 7:49 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
2:54 PM - 5:24 PM

Minor Periods

8:20 PM - 9:50 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Rip Current Statement issued March 5 at 9:12AM EST until March 6 at 4:00AM EST by NWS Jacksonville FL

Effective: Thu March 5, 2026, 9:12 AM
Expires: Thu March 5, 2026, 5:15 PM

* WHAT...Dangerous rip currents. * WHERE...Coastal Nassau and Coastal Duval Counties. * 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 March 5 at 12:35AM EST until March 6 at 4:00AM EST by NWS Jacksonville FL

Effective: Thu March 5, 2026, 12:35 AM
Expires: Fri March 6, 2026, 4:00 AM

* WHAT...Dangerous rip currents. * WHERE...Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * 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 March 5 at 9:12AM EST until March 6 at 4:00AM EST by NWS Jacksonville FL

Effective: Thu March 5, 2026, 9:12 AM
Expires: Thu March 5, 2026, 5:15 PM

* WHAT...Dangerous rip currents. * WHERE...Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * 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.
Thursday, March 5, 2026

Weather Forecast

Sunny
82.4°F
57.2°F
68.9°F
82%
0 in
0%
0%
11.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 10.99 μg/m3
PM10: 14.81 μg/m3
Carbon Monoxide: 164.25 μg/m3
Nitrogen Dioxide: 8.9 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:37 AM
Sunset: 6:28 PM
Daylight: 11 hrs 40 mins
Moonrise: 8:50 PM
Moon Transit: 1:53 AM
Moonset: 7:49 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
2:54 PM - 5:24 PM

Minor Periods

8:20 PM - 9:50 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Friday, March 6, 2026

Weather Forecast

Cloudy
79.5°F
64.9°F
70.8°F
87%
0 in
0%
0%
11 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 10.48 μg/m3
PM10: 14.09 μg/m3
Carbon Monoxide: 142.97 μg/m3
Nitrogen Dioxide: 9.18 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 54.64 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:37 AM
Sunset: 6:29 PM
Daylight: 11 hrs 42 mins
Moonrise: 9:47 PM
Moon Transit: 2:36 AM
Moonset: 8:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:37 PM - 6:07 PM

Minor Periods

9:17 PM - 10:47 PM
7:47 AM - 9:17 AM

Action Rating: 3 out of 5

Saturday, March 7, 2026

Weather Forecast

Mist
82.2°F
65.1°F
70.1°F
84%
0 in
0%
0%
12.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 10 μg/m3
PM10: 13.52 μg/m3
Carbon Monoxide: 145.97 μg/m3
Nitrogen Dioxide: 8.75 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 56.56 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:37 AM
Sunset: 6:30 PM
Daylight: 11 hrs 44 mins
Moonrise: 10:45 PM
Moon Transit: 3:20 AM
Moonset: 8:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
4:21 PM - 6:51 PM

Minor Periods

10:15 PM - 11:45 PM
8:17 AM - 9:47 AM

Action Rating: 3 out of 5

Sunday, March 8, 2026

Weather Forecast

Patchy rain nearby
85.8°F
64.6°F
71.5°F
77%
0.03 in
74%
0%
11.4 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 8.71 μg/m3
PM10: 11.09 μg/m3
Carbon Monoxide: 136.94 μg/m3
Nitrogen Dioxide: 9.43 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 57.16 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:37 AM
Sunset: 6:30 PM
Daylight: 11 hrs 46 mins
Moonrise: 11:43 PM
Moon Transit: 4:05 AM
Moonset: 9:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:35 AM - 6:05 AM
5:07 PM - 7:37 PM

Minor Periods

12:00 AM - 12:00 AM
8:50 AM - 10:20 AM

Action Rating: 2 out of 5

Monday, March 9, 2026

Weather Forecast

Patchy rain nearby
87.3°F
66.1°F
74.2°F
71%
0.06 in
87%
0%
11.2 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 11.65 μg/m3
PM10: 13.66 μg/m3
Carbon Monoxide: 197.18 μg/m3
Nitrogen Dioxide: 22.83 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 32.25 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:36 AM
Sunset: 6:31 PM
Daylight: 11 hrs 48 mins
Moonrise: 12:43 AM
Moon Transit: 4:52 AM
Moonset: 9:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
5:56 PM - 8:26 PM

Minor Periods

9:28 AM - 10:58 AM
12:00 AM - 12:00 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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