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

Current Water Temperature

62.4°F

Measurement Time: Wednesday, March 4, 2026, 6:18 AM 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

59.2°F
Fog
Fog
59.2°F
58.3°F
96%
E 3.1 mph
6.6 mph
58.7°F
58.2°F
0 in
60%
0 mi
1025 mbar
0

Five Day Weather Forecast

Fog
Wed
H: 78°F
L: 56°F
Mist
Thu
H: 76°F
L: 63°F
Overcast
Fri
H: 77°F
L: 65°F
Sunny
Sat
H: 82°F
L: 64°F
Sunny
Sun
H: 84°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 12.95 μg/m3
PM10: 17.45 μg/m3
Carbon Monoxide: 205.85 μg/m3
Nitrogen Dioxide: 7.55 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:38 AM
Sunset: 6:28 PM
Daylight: 11 hrs 38 mins
Moonrise: 7:52 PM
Moon Transit: 1:10 AM
Moonset: 7:21 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:40 AM - 3:10 AM
2:11 PM - 4:41 PM

Minor Periods

7:22 PM - 8:52 PM
6:51 AM - 8:21 AM

Action Rating: 4 out of 5

Rip Current Statement issued March 4 at 12:50AM EST until March 5 at 4:00AM EST by NWS Jacksonville FL

Effective: Wed March 4, 2026, 12:50 AM
Expires: Thu March 5, 2026, 4:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...From 10 AM EST this morning 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.


Dense Fog Advisory issued March 3 at 10:15PM EST until March 4 at 9:00AM EST by NWS Jacksonville FL

Effective: Tue March 3, 2026, 10:15 PM
Expires: Wed March 4, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northeast Florida and southeast Georgia. * WHEN...Until 9 AM EST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Wednesday, March 4, 2026

Weather Forecast

Fog
78.1°F
56.3°F
64.4°F
90%
0 in
0%
0%
9.6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 12.13 μg/m3
PM10: 16.54 μg/m3
Carbon Monoxide: 187.61 μg/m3
Nitrogen Dioxide: 9.09 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 75.08 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:38 AM
Sunset: 6:28 PM
Daylight: 11 hrs 38 mins
Moonrise: 7:52 PM
Moon Transit: 1:10 AM
Moonset: 7:21 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:40 AM - 3:10 AM
2:11 PM - 4:41 PM

Minor Periods

7:22 PM - 8:52 PM
6:51 AM - 8:21 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Mist
75.7°F
63°F
67.7°F
84%
0 in
0%
0%
10.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 11.58 μg/m3
PM10: 15.75 μg/m3
Carbon Monoxide: 181.01 μg/m3
Nitrogen Dioxide: 9.06 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 67.76 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

Overcast
76.5°F
64.8°F
68.6°F
85%
0 in
0%
0%
11.6 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 9.56 μg/m3
PM10: 12.95 μg/m3
Carbon Monoxide: 137.57 μg/m3
Nitrogen Dioxide: 8.01 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 56.76 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

Sunny
82°F
64.4°F
71.8°F
73%
0 in
0%
0%
10.1 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 13.48 μg/m3
Carbon Monoxide: 157.99 μg/m3
Nitrogen Dioxide: 8.58 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 56.36 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

Sunny
84.1°F
63.3°F
71.2°F
72%
0 in
0%
0%
8.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 7.7 μg/m3
Carbon Monoxide: 131.76 μg/m3
Nitrogen Dioxide: 9.28 μg/m3
Sulphur Dioxide: 2.44 μg/m3
Ozone: 42.46 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

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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