Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Sunday, May 24, 2026, 2:30 PM EDT
Temperature Locations
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Local Points of Interest
Riverfront Park; Marco LakeStation 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)
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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

Five Day Weather Forecast

Sun
H: 94°F
L: 73°F

Mon
H: 93°F
L: 74°F

Tue
H: 94°F
L: 73°F

Wed
H: 94°F
L: 74°F

Thu
H: 96°F
L: 74°F
Air Quality
Nitrogen Dioxide: 10.65 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 50 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:20 PM
Daylight: 13 hrs 51 mins
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 AM8:16 PM - 10:46 PM
Minor Periods
2:00 PM - 3:30 PM1:59 AM - 3:29 AM
Action Rating: 3 out of 5
Rip Current Statement issued May 24 at 2:30AM EDT until May 25 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun May 24, 2026, 2:30 AM
Expires: Mon May 25, 2026, 5:00 AM
* WHAT...Dangerous rip currents. * 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.
Rip Current Statement issued May 24 at 2:01PM EDT until May 26 at 2:00AM EDT by NWS Jacksonville FL
Effective: Sun May 24, 2026, 2:01 PM
Expires: Mon May 25, 2026, 6:00 AM
* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...Through late Monday night. * 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.
Rip Current Statement issued May 24 at 2:30AM EDT until May 25 at 5:00AM EDT by NWS Jacksonville FL
Effective: Sun May 24, 2026, 2:30 AM
Expires: Mon May 25, 2026, 5:00 AM
* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 66.2 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:20 PM
Daylight: 13 hrs 51 mins
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 AM8:16 PM - 10:46 PM
Minor Periods
2:00 PM - 3:30 PM1:59 AM - 3:29 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 58.88 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:20 PM
Daylight: 13 hrs 53 mins
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 AM8:58 PM - 11:28 PM
Minor Periods
2:56 PM - 4:26 PM2:27 AM - 3:57 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.07 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 61.92 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:21 PM
Daylight: 13 hrs 53 mins
Moon Transit: 10:10 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
10:28 AM - 12:58 AM12:00 AM - 12:00 AM
Minor Periods
3:53 PM - 5:23 PM2:54 AM - 4:24 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.12 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 71.16 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:21 PM
Daylight: 13 hrs 54 mins
Moon Transit: 10:53 PM
Moonset: 3:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
11:10 AM - 1:40 PM12:00 AM - 12:00 AM
Minor Periods
4:49 PM - 6:19 PM3:22 AM - 4:52 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.91 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 59 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:22 PM
Daylight: 13 hrs 55 mins
Moon Transit: 11:37 PM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
11:54 AM - 2:24 PM12:00 AM - 12:00 AM
Minor Periods
5:46 PM - 7:16 PM3:52 AM - 5:22 AM
Action Rating: 2 out of 5
