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

Current Water Temperature

71.6°F

Measurement Time: Tuesday, March 10, 2026, 12:30 AM EDT

Temperature Locations

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Local Points of Interest

Riverfront Park; Marco Lake

St. Johns River

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

Elevation Above Sea Level: 0 feet

Nearest Address:
1799 River Rd
Jacksonville, FL 32207
Duval County

GPS Coordinates: 30.30478056, -81.6601

Nearby Water Temperatures

St. Johns River, Jacksonville, FL (1.3 mi)
St. Johns River, Jacksonville, FL (3.7 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Cedar River, Jacksonville, FL (5 mi)
Pottsburg Creek, Jacksonville, FL (5.5 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
Ortega River, Jacksonville, FL (8.3 mi)
St. Johns River, Orange Park, FL (8.7 mi)
Broward River, Jacksonville, FL (9.6 mi)
Trout River, Jacksonville, FL (10.8 mi)
Dunn Creek, Jacksonville, FL (11 mi)
Julington Creek, Jacksonville, FL (12.4 mi)
Clapboard Creek, Jacksonville, FL (12.9 mi)

Weather for Jacksonville, Florida

Current Weather

68.2°F
Clear
Clear
68.2°F
66°F
84%
NW 3.4 mph
6.7 mph
66°F
60.8°F
0 in
25%
9 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 91°F
L: 64°F
Partly Cloudy
Wed
H: 86°F
L: 66°F
Moderate rain
Thu
H: 82°F
L: 66°F
Moderate rain
Fri
H: 72°F
L: 57°F
Sunny
Sat
H: 76°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 15.65 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 1:36 PM
Sunset: 7:32 PM
Daylight: 11 hrs 49 mins
Moonrise: 1:40 AM
Moon Transit: 6:41 AM
Moonset: 11:40 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
7:46 PM - 10:16 PM

Minor Periods

11:10 AM - 12:40 AM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Tuesday, March 10, 2026

Weather Forecast

Sunny
90.5°F
64.4°F
76.2°F
66%
0 in
0%
0%
8.3 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 11.61 μg/m3
PM10: 12.81 μg/m3
Carbon Monoxide: 170.57 μg/m3
Nitrogen Dioxide: 12.37 μg/m3
Sulphur Dioxide: 3.13 μg/m3
Ozone: 74.36 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 1:36 PM
Sunset: 7:32 PM
Daylight: 11 hrs 49 mins
Moonrise: 1:40 AM
Moon Transit: 6:41 AM
Moonset: 11:40 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
7:46 PM - 10:16 PM

Minor Periods

11:10 AM - 12:40 AM
1:10 AM - 2:40 AM

Action Rating: 3 out of 5

Wednesday, March 11, 2026

Weather Forecast

Partly Cloudy
86.4°F
66°F
76.5°F
68%
0 in
0%
0%
10.1 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 10.6 μg/m3
PM10: 12.22 μg/m3
Carbon Monoxide: 164.13 μg/m3
Nitrogen Dioxide: 12.01 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 75.24 μg/m3

Astronomical

Sunrise: 7:41 AM
Sun Transit: 1:36 PM
Sunset: 7:32 PM
Daylight: 11 hrs 51 mins
Moonrise: 2:37 AM
Moon Transit: 7:32 AM
Moonset: 12:29 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

7:02 AM - 9:32 AM
8:37 PM - 11:07 PM

Minor Periods

11:59 AM - 1:29 PM
2:07 AM - 3:37 AM

Action Rating: 2 out of 5

Thursday, March 12, 2026

Weather Forecast

Moderate rain
82°F
66°F
73.7°F
71%
0.3 in
81%
0%
14.5 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 8.66 μg/m3
PM10: 10.01 μg/m3
Carbon Monoxide: 159.01 μg/m3
Nitrogen Dioxide: 10.05 μg/m3
Sulphur Dioxide: 2.72 μg/m3
Ozone: 69.72 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 1:36 PM
Sunset: 7:33 PM
Daylight: 11 hrs 53 mins
Moonrise: 3:28 AM
Moon Transit: 8:24 AM
Moonset: 1:22 PM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:54 AM - 10:24 AM
12:00 AM - 12:00 AM

Minor Periods

12:52 AM - 2:22 PM
2:58 AM - 4:28 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Moderate rain
71.8°F
56.7°F
64.3°F
67%
0.6 in
83%
0%
15 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.02 μg/m3
PM10: 7.85 μg/m3
Carbon Monoxide: 157.7 μg/m3
Nitrogen Dioxide: 6.4 μg/m3
Sulphur Dioxide: 2.72 μg/m3
Ozone: 84.36 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 1:36 PM
Sunset: 7:33 PM
Daylight: 11 hrs 55 mins
Moonrise: 4:16 AM
Moon Transit: 9:16 AM
Moonset: 2:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

1:50 PM - 3:20 PM
3:46 AM - 5:16 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Sunny
76°F
57.1°F
65.1°F
77%
0 in
0%
0%
9.6 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 9.4 μg/m3
PM10: 11.86 μg/m3
Carbon Monoxide: 179.17 μg/m3
Nitrogen Dioxide: 7.57 μg/m3
Sulphur Dioxide: 3.3 μg/m3
Ozone: 86.54 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:00 AM
Sunset: 7:34 PM
Daylight: 11 hrs 57 mins
Moonrise: 4:59 AM
Moon Transit: 10:07 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

2:50 PM - 4:20 PM
4:29 AM - 5:59 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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