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

Current Water Temperature

59.5°F

Measurement Time: Monday, December 22, 2025, 4:30 PM 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 / 0 meters

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 (5.0 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 (11.0 mi)
Julington Creek, Jacksonville, FL (12.4 mi)
Clapboard Creek, Jacksonville, FL (12.9 mi)

Weather for Jacksonville, Florida

Current Weather

57.9°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 84%
Feels Like: 56.6°F
Wind: NNE 7.4 mph
Wind Gusts: 10.9 mph
Pressure: 30.39 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 73°F
L: 46°F
Sunny
Tue
H: 78°F
L: 55°F
Sunny
Wed
H: 77°F
L: 58°F
Mist
Thu
H: 66°F
L: 57°F
Sunny
Fri
H: 78°F
L: 59°F

Air Quality

AQI: 2 - Moderate
PM2.5: 11.15 μg/m3
PM10: 15.75 μg/m3
Carbon Monoxide: 168.85 μg/m3
Nitrogen Dioxide: 7.35 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:25 AM
Sunset: 5:31 PM
Daylight: 10 hrs 11 mins
Moonrise: 9:30 AM
Moon Transit: 2:40 PM
Moonset: 7:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.5%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:10 PM - 4:40 PM

Minor Periods

7:25 PM - 8:55 PM
9:00 AM - 10:30 AM

Action Rating: 2 out of 5

Rip Current Statement issued December 22 at 12:38AM EST until December 23 at 3:00AM EST by NWS Jacksonville FL

Effective: Mon December 22, 2025, 12:38 AM
Expires: Tue December 23, 2025, 3:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Northeast Florida Beaches. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

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.
Monday, December 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 58.1°F
Average Humidity: 77%
Chance of Rain: 82%
Wind: 13.2 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 9.92 μg/m3
PM10: 12.78 μg/m3
Carbon Monoxide: 217.25 μg/m3
Nitrogen Dioxide: 9.14 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 76.12 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:25 AM
Sunset: 5:31 PM
Daylight: 10 hrs 11 mins
Moonrise: 9:30 AM
Moon Transit: 2:40 PM
Moonset: 7:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.5%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:10 PM - 4:40 PM

Minor Periods

7:25 PM - 8:55 PM
9:00 AM - 10:30 AM

Action Rating: 2 out of 5

Tuesday, December 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 65.2°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 14.81 μg/m3
PM10: 19.57 μg/m3
Carbon Monoxide: 228.05 μg/m3
Nitrogen Dioxide: 13.18 μg/m3
Sulphur Dioxide: 4.3 μg/m3
Ozone: 74.92 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:25 AM
Sunset: 5:32 PM
Daylight: 10 hrs 12 mins
Moonrise: 10:07 AM
Moon Transit: 3:28 PM
Moonset: 8:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
2:58 PM - 5:28 PM

Minor Periods

8:25 PM - 9:55 PM
9:37 AM - 11:07 AM

Action Rating: 3 out of 5

Wednesday, December 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 65.8°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 20.92 μg/m3
PM10: 23.53 μg/m3
Carbon Monoxide: 314.45 μg/m3
Nitrogen Dioxide: 24.57 μg/m3
Sulphur Dioxide: 4.36 μg/m3
Ozone: 53.48 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:26 AM
Sunset: 5:32 PM
Daylight: 10 hrs 12 mins
Moonrise: 10:40 AM
Moon Transit: 4:14 PM
Moonset: 9:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
3:44 PM - 6:14 PM

Minor Periods

9:25 PM - 10:55 PM
10:10 AM - 11:40 AM

Action Rating: 3 out of 5

Thursday, December 25, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 61.5°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 4.3 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 30.55 μg/m3
PM10: 31.23 μg/m3
Carbon Monoxide: 403.41 μg/m3
Nitrogen Dioxide: 47.75 μg/m3
Sulphur Dioxide: 7.13 μg/m3
Ozone: 42.76 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:26 AM
Sunset: 5:33 PM
Daylight: 10 hrs 12 mins
Moonrise: 11:09 AM
Moon Transit: 4:58 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
4:28 PM - 6:58 PM

Minor Periods

10:25 PM - 11:55 PM
10:39 AM - 12:09 AM

Action Rating: 3 out of 5

Friday, December 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.2°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 17.46 μg/m3
PM10: 18.03 μg/m3
Carbon Monoxide: 291.99 μg/m3
Nitrogen Dioxide: 25.52 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 54.23 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:27 AM
Sunset: 5:33 PM
Daylight: 10 hrs 12 mins
Moonrise: 11:38 AM
Moon Transit: 5:42 PM
Moonset: 11:55 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
5:12 PM - 7:42 PM

Minor Periods

12:00 AM - 12:00 AM
11:08 AM - 12:38 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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