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

Current Water Temperature

61.2°F

Measurement Time: Thursday, January 8, 2026, 1:30 AM EST

Temperature Locations

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St. Johns River

Station Name: ST. JOHNS RIVER AT JACKSONVILLE, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
S Acosta Bridge
Jacksonville, FL 32202
Duval County

GPS Coordinates: 30.3224616, -81.6653735

Nearby Water Temperatures

St. Johns River, Jacksonville, FL (1.3 mi)
St. Johns River, Jacksonville, FL (3.9 mi)
St. Johns River, Jacksonville, FL (5 mi)
Cedar River, Jacksonville, FL (5.3 mi)
Pottsburg Creek, Jacksonville, FL (6.2 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
Broward River, Jacksonville, FL (8.4 mi)
St. Johns River, Jacksonville, FL (9.1 mi)
Ortega River, Jacksonville, FL (9.2 mi)
Trout River, Jacksonville, FL (9.6 mi)
St. Johns River, Orange Park, FL (9.9 mi)
Dunn Creek, Jacksonville, FL (10 mi)
Clapboard Creek, Jacksonville, FL (12.2 mi)
Julington Creek, Jacksonville, FL (13.7 mi)

Weather for Jacksonville, Florida

Current Weather

63°F
Mist
Mist
63°F
60.1°F
100%
WSW 3.4 mph
6.4 mph
60.1°F
58.1°F
0 in
100%
0 mi
1019 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 76°F
L: 59°F
Fog
Fri
H: 77°F
L: 64°F
Fog
Sat
H: 75°F
L: 64°F
Patchy rain nearby
Sun
H: 64°F
L: 53°F
Sunny
Mon
H: 54°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 13.35 μg/m3
PM10: 14.35 μg/m3
Carbon Monoxide: 198.85 μg/m3
Nitrogen Dioxide: 12.95 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 56 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:33 AM
Sunset: 5:43 PM
Daylight: 10 hrs 19 mins
Moonrise: 11:24 PM
Moon Transit: 4:45 AM
Moonset: 10:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:15 AM - 6:45 AM
5:44 PM - 8:14 PM

Minor Periods

12:00 AM - 12:00 AM
10:26 AM - 11:56 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued January 7 at 6:43PM EST until January 8 at 10:00AM EST by NWS Jacksonville FL

Effective: Wed January 7, 2026, 6:43 PM
Expires: Thu January 8, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northeast and northern Florida. * WHEN...From 2 AM to 10 AM EST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

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


Dense Fog Advisory issued January 7 at 6:43PM EST until January 8 at 10:00AM EST by NWS Jacksonville FL

Effective: Wed January 7, 2026, 6:43 PM
Expires: Thu January 8, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of southeast Georgia. * WHEN...From 3 AM to 10 AM EST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Thursday, January 8, 2026

Weather Forecast

Partly Cloudy
76.3°F
59.4°F
66.7°F
85%
0 in
0%
0%
5.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 12.71 μg/m3
PM10: 13.89 μg/m3
Carbon Monoxide: 209.17 μg/m3
Nitrogen Dioxide: 14.35 μg/m3
Sulphur Dioxide: 3.5 μg/m3
Ozone: 55.56 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:33 AM
Sunset: 5:43 PM
Daylight: 10 hrs 19 mins
Moonrise: 11:24 PM
Moon Transit: 4:45 AM
Moonset: 10:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:15 AM - 6:45 AM
5:44 PM - 8:14 PM

Minor Periods

12:00 AM - 12:00 AM
10:26 AM - 11:56 AM

Action Rating: 3 out of 5

Friday, January 9, 2026

Weather Forecast

Fog
77.2°F
63.7°F
67.4°F
90%
0 in
0%
0%
7.8 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 14.42 μg/m3
PM10: 16.86 μg/m3
Carbon Monoxide: 209.97 μg/m3
Nitrogen Dioxide: 13.42 μg/m3
Sulphur Dioxide: 4.18 μg/m3
Ozone: 74.68 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:33 AM
Sunset: 5:43 PM
Daylight: 10 hrs 19 mins
Moonrise: 12:24 AM
Moon Transit: 5:27 AM
Moonset: 11:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
6:26 PM - 8:56 PM

Minor Periods

10:53 AM - 12:23 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Fog
75°F
64.2°F
68.3°F
86%
0 in
0%
0%
8.7 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 10.59 μg/m3
Carbon Monoxide: 169.77 μg/m3
Nitrogen Dioxide: 12.02 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 68.68 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:34 AM
Sunset: 5:44 PM
Daylight: 10 hrs 20 mins
Moonrise: 12:20 AM
Moon Transit: 6:08 AM
Moonset: 11:50 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:38 AM - 8:08 AM
7:07 PM - 9:37 PM

Minor Periods

11:20 AM - 12:50 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, January 11, 2026

Weather Forecast

Patchy rain nearby
63.7°F
52.5°F
60.7°F
61%
0.01 in
85%
0%
10.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.45 μg/m3
PM10: 7.02 μg/m3
Carbon Monoxide: 175.34 μg/m3
Nitrogen Dioxide: 10.78 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 63.32 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:34 AM
Sunset: 5:45 PM
Daylight: 10 hrs 21 mins
Moonrise: 1:15 AM
Moon Transit: 6:50 AM
Moonset: 12:20 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
7:50 PM - 10:20 PM

Minor Periods

11:50 AM - 1:20 PM
12:45 AM - 2:15 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Sunny
54.3°F
40.3°F
47°F
43%
0 in
0%
0%
11.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.96 μg/m3
PM10: 5.09 μg/m3
Carbon Monoxide: 182.96 μg/m3
Nitrogen Dioxide: 6.45 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 70.23 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:35 AM
Sunset: 5:46 PM
Daylight: 10 hrs 22 mins
Moonrise: 2:11 AM
Moon Transit: 7:33 AM
Moonset: 12:51 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
8:35 PM - 11:05 PM

Minor Periods

12:21 AM - 1:51 PM
1:41 AM - 3:11 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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