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

Current Water Temperature

81.0°F

Measurement Time: Thursday, May 21, 2026, 1:30 AM EDT

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

69.1°F
Partly cloudy
Partly cloudy
69.1°F
76.8°F
93%
SSE 3.6 mph
5.9 mph
72.5°F
69.2°F
0 in
75%
9 mi
1018 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 94°F
L: 71°F
Sunny
Fri
H: 93°F
L: 73°F
Patchy rain nearby
Sat
H: 94°F
L: 74°F
Partly Cloudy
Sun
H: 93°F
L: 74°F
Sunny
Mon
H: 93°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 12.65 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:23 PM
Sunset: 8:18 PM
Daylight: 13 hrs 48 mins
Moonrise: 11:21 AM
Moon Transit: 6:26 PM
Moonset: 12:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

6:38 AM - 9:08 AM
5:56 PM - 8:26 PM

Minor Periods

10:51 AM - 12:21 AM
12:13 AM - 1:43 AM

Action Rating: 4 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
94.3°F
71.2°F
79.9°F
69%
0.03 in
77%
0%
13 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 11.76 μg/m3
Carbon Monoxide: 143.05 μg/m3
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 63.08 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:23 PM
Sunset: 8:18 PM
Daylight: 13 hrs 48 mins
Moonrise: 11:21 AM
Moon Transit: 6:26 PM
Moonset: 12:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

6:38 AM - 9:08 AM
5:56 PM - 8:26 PM

Minor Periods

10:51 AM - 12:21 AM
12:13 AM - 1:43 AM

Action Rating: 4 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
93°F
72.8°F
81.2°F
66%
0 in
0%
0%
12.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 6.92 μg/m3
PM10: 9.76 μg/m3
Carbon Monoxide: 133.57 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 63.88 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:23 PM
Sunset: 8:19 PM
Daylight: 13 hrs 49 mins
Moonrise: 12:28 AM
Moon Transit: 7:17 PM
Moonset: 1:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
6:47 PM - 9:17 PM

Minor Periods

11:58 AM - 1:28 PM
12:54 AM - 2:24 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
94°F
74°F
81.9°F
68%
0.03 in
87%
0%
13.2 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.13 μg/m3
PM10: 8.69 μg/m3
Carbon Monoxide: 123.85 μg/m3
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:23 PM
Sunset: 8:19 PM
Daylight: 13 hrs 51 mins
Moonrise: 1:30 PM
Moon Transit: 8:03 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
7:33 PM - 10:03 PM

Minor Periods

1:00 PM - 2:30 PM
1:28 AM - 2:58 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Partly Cloudy
92.7°F
74.3°F
81.9°F
68%
0 in
0%
0%
12.8 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.47 μg/m3
PM10: 10.72 μg/m3
Carbon Monoxide: 119.29 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 59.04 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:23 PM
Sunset: 8:20 PM
Daylight: 13 hrs 52 mins
Moonrise: 2:30 PM
Moon Transit: 8:46 PM
Moonset: 2:29 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

9:04 AM - 11:34 AM
8:16 PM - 10:46 PM

Minor Periods

2:00 PM - 3:30 PM
1:59 AM - 3:29 AM

Action Rating: 3 out of 5

Monday, May 25, 2026

Weather Forecast

Sunny
92.7°F
74.1°F
81.1°F
68%
0 in
0%
0%
12.8 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 10.31 μg/m3
PM10: 15.36 μg/m3
Carbon Monoxide: 116.9 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 53.85 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:23 PM
Sunset: 8:20 PM
Daylight: 13 hrs 53 mins
Moonrise: 3:27 PM
Moon Transit: 9:28 PM
Moonset: 2:57 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 AM
8:58 PM - 11:28 PM

Minor Periods

2:57 PM - 4:27 PM
2:27 AM - 3:57 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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