Water Temperature of the St. Johns River in Jacksonville, FL
Current Water Temperature
Measurement Time: Saturday, September 19, 2026, 1:30 AM 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
Overnight
74°F - Mostly Cloudy
Saturday
89°F - Partly Sunny then Slight Chance Showers And Thunderstorms
Saturday Night
75°F - Partly Cloudy then Slight Chance Rain Showers
Sunday
89°F - Slight Chance Showers And Thunderstorms
Sunday Night
74°F - Slight Chance Showers And Thunderstorms then Mostly Cloudy
Monday
88°F - Showers And Thunderstorms Likely
Monday Night
74°F - Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Tuesday
88°F - Showers And Thunderstorms
Tuesday Night
75°F - Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Wednesday
86°F - Showers And Thunderstorms Likely
Wednesday Night
74°F - Showers And Thunderstorms Likely
Thursday
85°F - Chance Showers And Thunderstorms
Thursday Night
73°F - Chance Showers And Thunderstorms
Friday
84°F - Chance Rain Showers then Chance Showers And Thunderstorms
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: 7:27 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
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
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: 7:23 PM
Daylight: 12 hrs 8 mins
Moon Transit: 10:38 PM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%
Best Times for Fishing or Hunting
Major Periods
10:54 AM - 1:24 PM12:00 AM - 12:00 AM
Minor Periods
4:42 PM - 6:12 PM2:41 AM - 4:11 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: 7:23 PM
Daylight: 12 hrs 8 mins
Moon Transit: 10:38 PM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%
Best Times for Fishing or Hunting
Major Periods
10:54 AM - 1:24 PM12:00 AM - 12:00 AM
Minor Periods
4:42 PM - 6:12 PM2:41 AM - 4:11 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: 1:18 PM
Sunset: 7:22 PM
Daylight: 12 hrs 6 mins
Moon Transit: 11:22 PM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%
Best Times for Fishing or Hunting
Major Periods
11:39 AM - 2:09 PM12:00 AM - 12:00 AM
Minor Periods
5:14 PM - 6:44 PM3:40 AM - 5:10 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: 1:18 PM
Sunset: 7:22 PM
Daylight: 12 hrs 6 mins
Moon Transit: 11:22 PM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%
Best Times for Fishing or Hunting
Major Periods
11:39 AM - 2:09 PM12:00 AM - 12:00 AM
Minor Periods
5:14 PM - 6:44 PM3:40 AM - 5:10 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: 1:18 PM
Sunset: 7:20 PM
Daylight: 12 hrs 4 mins
Moon Transit: 12:00 AM
Moonset: 5:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:23 AM - 2:53 PM
Minor Periods
5:44 PM - 7:14 PM4:38 AM - 6:08 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: 1:18 PM
Sunset: 7:20 PM
Daylight: 12 hrs 4 mins
Moon Transit: 12:00 AM
Moonset: 5:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:23 AM - 2:53 PM
Minor Periods
5:44 PM - 7:14 PM4:38 AM - 6:08 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: 1:18 PM
Sunset: 7:19 PM
Daylight: 12 hrs 3 mins
Moon Transit: 12:06 AM
Moonset: 6:08 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:07 PM - 3:37 PM
Minor Periods
6:13 PM - 7:43 PM5:38 AM - 7:08 AM
Action Rating: 5 out of 5
