Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Monday, August 31, 2026, 6:30 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)
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
Weather Forecast
Tonight
76°F - Partly Cloudy
Tuesday
88°F - Chance Showers And Thunderstorms
Tuesday Night
76°F - Slight Chance Showers And Thunderstorms then Mostly Cloudy
Wednesday
88°F - Showers And Thunderstorms
Wednesday Night
76°F - Showers And Thunderstorms then Mostly Cloudy
Thursday
90°F - Showers And Thunderstorms Likely
Thursday Night
76°F - Showers And Thunderstorms Likely then Mostly Cloudy
Friday
91°F - Chance Showers And Thunderstorms
Friday Night
76°F - Chance Showers And Thunderstorms
Saturday
92°F - Mostly Sunny then Chance Showers And Thunderstorms
Saturday Night
76°F - Chance Showers And Thunderstorms
Sunday
89°F - Chance Showers And Thunderstorms
Sunday Night
75°F - Showers And Thunderstorms Likely
Labor Day
86°F - Chance Showers And Thunderstorms
Astronomical
Sun Transit: 1:26 PM
Sunset: 7:50 PM
Daylight: 12 hrs 47 mins
Moon Transit: 3:42 AM
Moonset: 10:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%
Best Times for Fishing or Hunting
Major Periods
3:12 AM - 5:42 AM4:45 PM - 7:15 PM
Minor Periods
9:13 PM - 10:43 PM9:52 AM - 11:22 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 7:50 PM
Daylight: 12 hrs 47 mins
Moon Transit: 3:42 AM
Moonset: 10:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%
Best Times for Fishing or Hunting
Major Periods
3:12 AM - 5:42 AM4:45 PM - 7:15 PM
Minor Periods
9:13 PM - 10:43 PM9:52 AM - 11:22 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 7:49 PM
Daylight: 12 hrs 46 mins
Moon Transit: 4:30 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%
Best Times for Fishing or Hunting
Major Periods
4:00 AM - 6:30 AM5:35 PM - 8:05 PM
Minor Periods
9:50 PM - 11:20 PM10:56 AM - 12:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 7:49 PM
Daylight: 12 hrs 46 mins
Moon Transit: 4:30 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%
Best Times for Fishing or Hunting
Major Periods
4:00 AM - 6:30 AM5:35 PM - 8:05 PM
Minor Periods
9:50 PM - 11:20 PM10:56 AM - 12:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 7:48 PM
Daylight: 12 hrs 44 mins
Moon Transit: 5:22 AM
Moonset: 12:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%
Best Times for Fishing or Hunting
Major Periods
4:52 AM - 7:22 AM6:30 PM - 9:00 PM
Minor Periods
12:00 AM - 12:00 AM12:04 AM - 1:34 PM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 7:48 PM
Daylight: 12 hrs 44 mins
Moon Transit: 5:22 AM
Moonset: 12:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%
Best Times for Fishing or Hunting
Major Periods
4:52 AM - 7:22 AM6:30 PM - 9:00 PM
Minor Periods
12:00 AM - 12:00 AM12:04 AM - 1:34 PM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 7:47 PM
Daylight: 12 hrs 42 mins
Moon Transit: 6:18 AM
Moonset: 1:42 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%
Best Times for Fishing or Hunting
Major Periods
5:48 AM - 8:18 AM7:28 PM - 9:58 PM
Minor Periods
1:12 PM - 2:42 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 7:47 PM
Daylight: 12 hrs 42 mins
Moon Transit: 6:18 AM
Moonset: 1:42 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%
Best Times for Fishing or Hunting
Major Periods
5:48 AM - 8:18 AM7:28 PM - 9:58 PM
Minor Periods
1:12 PM - 2:42 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 7:45 PM
Daylight: 12 hrs 40 mins
Moon Transit: 7:19 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%
Best Times for Fishing or Hunting
Major Periods
6:49 AM - 9:19 AM8:30 PM - 11:00 PM
Minor Periods
2:20 PM - 3:50 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 7:45 PM
Daylight: 12 hrs 40 mins
Moon Transit: 7:19 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%
Best Times for Fishing or Hunting
Major Periods
6:49 AM - 9:19 AM8:30 PM - 11:00 PM
Minor Periods
2:20 PM - 3:50 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 7:44 PM
Daylight: 12 hrs 39 mins
Moon Transit: 8:22 AM
Moonset: 3:52 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%
Best Times for Fishing or Hunting
Major Periods
7:52 AM - 10:22 AM12:00 AM - 12:00 AM
Minor Periods
3:22 PM - 4:52 PM12:21 AM - 1:51 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 7:44 PM
Daylight: 12 hrs 39 mins
Moon Transit: 8:22 AM
Moonset: 3:52 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%
Best Times for Fishing or Hunting
Major Periods
7:52 AM - 10:22 AM12:00 AM - 12:00 AM
Minor Periods
3:22 PM - 4:52 PM12:21 AM - 1:51 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:43 PM
Daylight: 12 hrs 37 mins
Moon Transit: 9:24 AM
Moonset: 4:48 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%
Best Times for Fishing or Hunting
Major Periods
8:54 AM - 11:24 AM12:00 AM - 12:00 AM
Minor Periods
4:18 PM - 5:48 PM1:27 AM - 2:57 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:43 PM
Daylight: 12 hrs 37 mins
Moon Transit: 9:24 AM
Moonset: 4:48 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%
Best Times for Fishing or Hunting
Major Periods
8:54 AM - 11:24 AM12:00 AM - 12:00 AM
Minor Periods
4:18 PM - 5:48 PM1:27 AM - 2:57 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 7:42 PM
Daylight: 12 hrs 35 mins
Moon Transit: 10:24 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:54 AM - 12:24 AM
Minor Periods
5:05 PM - 6:35 PM2:37 AM - 4:07 AM
Action Rating: 2 out of 5
