Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Monday, September 14, 2026, 4:02 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
78°F - Mostly Clear
Tuesday
88°F - Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Tuesday Night
77°F - Showers And Thunderstorms Likely then Partly Cloudy
Wednesday
87°F - Mostly Sunny
Wednesday Night
76°F - Partly Cloudy
Thursday
86°F - Showers And Thunderstorms Likely
Thursday Night
76°F - Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Friday
87°F - Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Friday Night
76°F - Chance Showers And Thunderstorms then Partly Cloudy
Saturday
88°F - Chance Showers And Thunderstorms
Saturday Night
76°F - Chance Showers And Thunderstorms then Mostly Cloudy
Sunday
88°F - Showers And Thunderstorms Likely
Sunday Night
75°F - Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Monday
88°F - Chance Showers And Thunderstorms
Astronomical
Sun Transit: 1:22 PM
Sunset: 7:33 PM
Daylight: 12 hrs 23 mins
Moon Transit: 4:03 PM
Moonset: 9:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
4:19 AM - 6:49 AM3:33 PM - 6:03 PM
Minor Periods
8:55 PM - 10:25 PM10:06 AM - 11:36 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: 1:22 PM
Sunset: 7:33 PM
Daylight: 12 hrs 23 mins
Moon Transit: 4:03 PM
Moonset: 9:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
4:19 AM - 6:49 AM3:33 PM - 6:03 PM
Minor Periods
8:55 PM - 10:25 PM10:06 AM - 11:36 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: 1:21 PM
Sunset: 7:32 PM
Daylight: 12 hrs 21 mins
Moon Transit: 4:51 PM
Moonset: 10:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
5:05 AM - 7:35 AM4:21 PM - 6:51 PM
Minor Periods
9:32 PM - 11:02 PM11:05 AM - 12:35 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: 1:21 PM
Sunset: 7:32 PM
Daylight: 12 hrs 21 mins
Moon Transit: 4:51 PM
Moonset: 10:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
5:05 AM - 7:35 AM4:21 PM - 6:51 PM
Minor Periods
9:32 PM - 11:02 PM11:05 AM - 12:35 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: 1:21 PM
Sunset: 7:30 PM
Daylight: 12 hrs 19 mins
Moon Transit: 5:40 PM
Moonset: 10:43 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
5:54 AM - 8:24 AM5:10 PM - 7:40 PM
Minor Periods
10:13 PM - 11:43 PM12:05 AM - 1:35 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: 1:21 PM
Sunset: 7:30 PM
Daylight: 12 hrs 19 mins
Moon Transit: 5:40 PM
Moonset: 10:43 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
5:54 AM - 8:24 AM5:10 PM - 7:40 PM
Minor Periods
10:13 PM - 11:43 PM12:05 AM - 1:35 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: 1:21 PM
Sunset: 7:29 PM
Daylight: 12 hrs 17 mins
Moon Transit: 6:31 PM
Moonset: 11:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
6:44 AM - 9:14 AM6:01 PM - 8:31 PM
Minor Periods
12:00 AM - 12:00 AM1:02 PM - 2:32 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: 1:21 PM
Sunset: 7:29 PM
Daylight: 12 hrs 17 mins
Moon Transit: 6:31 PM
Moonset: 11:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
6:44 AM - 9:14 AM6:01 PM - 8:31 PM
Minor Periods
12:00 AM - 12:00 AM1:02 PM - 2:32 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: 1:20 PM
Sunset: 7:28 PM
Daylight: 12 hrs 15 mins
Moon Transit: 7:22 PM
Moonset: 12:29 AM
Moon Phase: First Quarter
Moon Illumination: 43.0%
Best Times for Fishing or Hunting
Major Periods
7:35 AM - 10:05 AM6:52 PM - 9:22 PM
Minor Periods
1:56 PM - 3:26 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: 1:20 PM
Sunset: 7:28 PM
Daylight: 12 hrs 15 mins
Moon Transit: 7:22 PM
Moonset: 12:29 AM
Moon Phase: First Quarter
Moon Illumination: 43.0%
Best Times for Fishing or Hunting
Major Periods
7:35 AM - 10:05 AM6:52 PM - 9:22 PM
Minor Periods
1:56 PM - 3:26 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: 1:20 PM
Sunset: 7:27 PM
Daylight: 12 hrs 13 mins
Moon Transit: 8:13 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%
Best Times for Fishing or Hunting
Major Periods
8:27 AM - 10:57 AM7:43 PM - 10:13 PM
Minor Periods
2:45 PM - 4:15 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: 1:20 PM
Sunset: 7:27 PM
Daylight: 12 hrs 13 mins
Moon Transit: 8:13 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%
Best Times for Fishing or Hunting
Major Periods
8:27 AM - 10:57 AM7:43 PM - 10:13 PM
Minor Periods
2:45 PM - 4:15 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: 1:20 PM
Sunset: 7:25 PM
Daylight: 12 hrs 12 mins
Moon Transit: 9:03 PM
Moonset: 1:15 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%
Best Times for Fishing or Hunting
Major Periods
9:18 AM - 11:48 AM8:33 PM - 11:03 PM
Minor Periods
3:29 PM - 4:59 PM12:45 AM - 2:15 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: 1:20 PM
Sunset: 7:25 PM
Daylight: 12 hrs 12 mins
Moon Transit: 9:03 PM
Moonset: 1:15 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%
Best Times for Fishing or Hunting
Major Periods
9:18 AM - 11:48 AM8:33 PM - 11:03 PM
Minor Periods
3:29 PM - 4:59 PM12:45 AM - 2:15 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: 1:19 PM
Sunset: 7:24 PM
Daylight: 12 hrs 10 mins
Moon Transit: 9:51 PM
Moonset: 2:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%
Best Times for Fishing or Hunting
Major Periods
10:07 AM - 12:37 AM9:21 PM - 11:51 PM
Minor Periods
4:08 PM - 5:38 PM1:42 AM - 3:12 AM
Action Rating: 2 out of 5
