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

Current Water Temperature

73.6°F

Measurement Time: Tuesday, November 3, 2026, 11:30 AM EST

Temperature Locations

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Local Points of Interest

Riverfront Park; Marco Lake

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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

78.6°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 64%
Feels Like: 79°F
Wind: ESE 11.4 mph
Wind Gusts: 19.2 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 30%
Visibility: 6 mi
UV Index: 0.3

Weather Forecast

Patchy rain nearby
Tue
H: 82°F
L: 71°F
Overcast
Wed
H: 84°F
L: 72°F
Sunny
Thu
H: 88°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 12.5 μg/m3
PM10: 19.8 μg/m3
Carbon Monoxide: 152 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:10 AM
Sunset: 5:37 PM
Daylight: 10 hrs 54 mins
Moonrise: 1:12 AM
Moon Transit: 7:52 AM
Moonset: 2:24 PM
Moon Phase: Last Quarter
Moon Illumination: 28.0%

Best Times for Fishing or Hunting

Major Periods

7:22 AM - 9:52 AM
8:54 PM - 11:24 PM

Minor Periods

1:54 PM - 3:24 PM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Coastal Flood Advisory issued November 3 at 2:03PM EST until November 5 at 4:00AM EST by NWS Jacksonville FL

Effective: Tue November 3, 2026, 2:03 PM
Expires: Wed November 4, 2026, 5:00 AM

* WHAT...Minor flooding during times of high tide. * WHERE...St Johns River Basin. * WHEN...Until 4 AM EST Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
Tuesday, November 3, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.9°F
Average Humidity: 78%
Chance of Rain: 59%
Wind: 13.4 mph
UV Index: 4.8

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:10 AM
Sunset: 5:37 PM
Daylight: 10 hrs 54 mins
Moonrise: 1:12 AM
Moon Transit: 7:52 AM
Moonset: 2:24 PM
Moon Phase: Last Quarter
Moon Illumination: 28.0%

Best Times for Fishing or Hunting

Major Periods

7:22 AM - 9:52 AM
8:54 PM - 11:24 PM

Minor Periods

1:54 PM - 3:24 PM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Wednesday, November 4, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 76.6°F
Average Humidity: 73%
Chance of Rain: 24%
Wind: 10.1 mph
UV Index: 4.5

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:10 AM
Sunset: 5:37 PM
Daylight: 10 hrs 53 mins
Moonrise: 2:15 AM
Moon Transit: 8:38 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
12:00 AM - 12:00 AM

Minor Periods

2:24 PM - 3:54 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Thursday, November 5, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 76.9°F
Average Humidity: 70%
Chance of Rain: 43%
Wind: 7.2 mph
UV Index: 5.1

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:10 AM
Sunset: 5:36 PM
Daylight: 10 hrs 51 mins
Moonrise: 3:14 AM
Moon Transit: 9:22 AM
Moonset: 3:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
12:00 AM - 12:00 AM

Minor Periods

2:53 PM - 4:23 PM
2:44 AM - 4:14 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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