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

Current Water Temperature

66.6°F

Measurement Time: Tuesday, March 24, 2026, 2:42 PM EDT

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

61°F
Mist
Mist
61°F
66°F
83%
NNE 15.2 mph
18.7 mph
66°F
58.6°F
0 in
100%
6 mi
1022 mbar
1.1

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 68°F
L: 62°F
Overcast
Wed
H: 74°F
L: 57°F
Mist
Thu
H: 78°F
L: 62°F
Partly Cloudy
Fri
H: 88°F
L: 62°F
Patchy rain nearby
Sat
H: 69°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 15.35 μg/m3
Carbon Monoxide: 199.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 7:40 PM
Daylight: 12 hrs 15 mins
Moonrise: 11:14 AM
Moon Transit: 6:45 PM
Moonset: 1:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
6:15 PM - 8:45 PM

Minor Periods

10:44 AM - 12:14 AM
12:41 AM - 2:11 AM

Action Rating: 2 out of 5

Wind Advisory issued March 24 at 2:26AM EDT until March 24 at 8:00PM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 2:26 AM
Expires: Tue March 24, 2026, 8:00 PM

* WHAT...Northeast winds 20 to 25 mph with gusts 40 to 45 mph expected. * WHERE...In Florida, Coastal Duval and Coastal Nassau Counties. In Georgia, Coastal Camden and Coastal Glynn Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


High Surf Advisory issued March 24 at 2:22AM EDT until March 25 at 2:00PM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 2:22 AM
Expires: Tue March 24, 2026, 3:30 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves up to 6 to 8 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, from 7 AM EDT this morning through late Wednesday night. For the High Surf Advisory, from 2 PM this afternoon to 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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 24 at 2:22AM EDT until March 26 at 2:00AM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 2:22 AM
Expires: Tue March 24, 2026, 3:30 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves up to 6 to 8 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, from 7 AM EDT this morning through late Wednesday night. For the High Surf Advisory, from 2 PM this afternoon to 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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.


High Surf Advisory issued March 24 at 1:00PM EDT until March 25 at 2:00PM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 1:00 PM
Expires: Wed March 25, 2026, 5:00 AM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 5 to 8 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, through late Wednesday night. For the High Surf Advisory, until 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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 24 at 1:00PM EDT until March 26 at 2:00AM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 1:00 PM
Expires: Wed March 25, 2026, 5:00 AM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 5 to 8 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, through late Wednesday night. For the High Surf Advisory, until 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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.


Tuesday, March 24, 2026

Weather Forecast

Patchy rain nearby
67.6°F
62.1°F
65.4°F
77%
0.03 in
82%
0%
15.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.19 μg/m3
PM10: 10.63 μg/m3
Carbon Monoxide: 194.09 μg/m3
Nitrogen Dioxide: 4.8 μg/m3
Sulphur Dioxide: 2.68 μg/m3
Ozone: 95.8 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 7:40 PM
Daylight: 12 hrs 15 mins
Moonrise: 11:14 AM
Moon Transit: 6:45 PM
Moonset: 1:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
6:15 PM - 8:45 PM

Minor Periods

10:44 AM - 12:14 AM
12:41 AM - 2:11 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Overcast
73.9°F
57.4°F
65.6°F
81%
0 in
0%
0%
11.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 11.91 μg/m3
PM10: 16.45 μg/m3
Carbon Monoxide: 181.09 μg/m3
Nitrogen Dioxide: 3.59 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 116 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 7:41 PM
Daylight: 12 hrs 17 mins
Moonrise: 12:17 AM
Moon Transit: 7:47 PM
Moonset: 2:17 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

7:56 AM - 10:26 AM
7:17 PM - 9:47 PM

Minor Periods

11:47 AM - 1:17 PM
1:47 AM - 3:17 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Mist
78.3°F
61.9°F
69.4°F
77%
0 in
0%
0%
9.6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 12.01 μg/m3
PM10: 16.58 μg/m3
Carbon Monoxide: 184.33 μg/m3
Nitrogen Dioxide: 5.82 μg/m3
Sulphur Dioxide: 3.02 μg/m3
Ozone: 107.2 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:00 AM
Sunset: 7:42 PM
Daylight: 12 hrs 19 mins
Moonrise: 1:23 PM
Moon Transit: 8:47 PM
Moonset: 3:15 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

8:57 AM - 11:27 AM
8:17 PM - 10:47 PM

Minor Periods

12:53 AM - 2:23 PM
2:45 AM - 4:15 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Partly Cloudy
87.5°F
62.4°F
73.4°F
71%
0 in
0%
0%
8.3 mph
2.2


Air Quality

AQI: 1 - Good
PM2.5: 11.71 μg/m3
PM10: 15.17 μg/m3
Carbon Monoxide: 202.88 μg/m3
Nitrogen Dioxide: 9.22 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 101.56 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:42 PM
Daylight: 12 hrs 21 mins
Moonrise: 2:32 PM
Moon Transit: 9:43 PM
Moonset: 4:05 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

9:55 AM - 12:25 AM
9:13 PM - 11:43 PM

Minor Periods

2:02 PM - 3:32 PM
3:35 AM - 5:05 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Patchy rain nearby
68.8°F
60.7°F
65.3°F
68%
0 in
89%
0%
16.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 6.76 μg/m3
Carbon Monoxide: 184.13 μg/m3
Nitrogen Dioxide: 8.3 μg/m3
Sulphur Dioxide: 2.7 μg/m3
Ozone: 77.85 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:00 AM
Sunset: 7:43 PM
Daylight: 12 hrs 23 mins
Moonrise: 3:38 PM
Moon Transit: 10:34 PM
Moonset: 4:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

10:48 AM - 1:18 PM
12:00 AM - 12:00 AM

Minor Periods

3:08 PM - 4:38 PM
4:17 AM - 5:47 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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