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

Current Water Temperature

32.0°F

Measurement Time: Sunday, September 20, 2026, 2:01 AM EDT

Temperature Locations

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Local Points of Interest

Riverfront Park; Marco Lake

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

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

76°F
Partly Sunny
Partly Sunny
90%
N 3 mph
73°F

Weather Forecast

Mostly Cloudy then Slight Chance Showers And Thunderstorms
Today
87°F - Mostly Cloudy then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Mostly Cloudy
Tonight
75°F - Chance Showers And Thunderstorms then Mostly Cloudy
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Monday
89°F - Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Partly Cloudy
Monday Night
75°F - Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And Thunderstorms
Tuesday
88°F - Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely then Partly Cloudy
Tuesday Night
75°F - Showers And Thunderstorms Likely then Partly Cloudy
Showers And Thunderstorms Likely
Wednesday
87°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Wednesday Night
74°F - Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
85°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Partly Cloudy
Thursday Night
73°F - Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Friday
83°F - Slight Chance Rain Showers then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Partly Cloudy
Friday Night
71°F - Chance Showers And Thunderstorms then Partly Cloudy
Mostly Sunny then Slight Chance Showers And Thunderstorms
Saturday
83°F - Mostly Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Partly Cloudy
Saturday Night
70°F - Slight Chance Showers And Thunderstorms then Partly Cloudy

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:20 PM
Sunset: 7:25 PM
Daylight: 12 hrs 12 mins
Moonrise: 3:59 PM
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 AM
8:33 PM - 11:03 PM

Minor Periods

3:29 PM - 4:59 PM
12:45 AM - 2:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:20 PM
Sunset: 7:25 PM
Daylight: 12 hrs 12 mins
Moonrise: 3:59 PM
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 AM
8:33 PM - 11:03 PM

Minor Periods

3:29 PM - 4:59 PM
12:45 AM - 2:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:20 PM
Sunset: 7:25 PM
Daylight: 12 hrs 12 mins
Moonrise: 3:59 PM
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 AM
8:33 PM - 11:03 PM

Minor Periods

3:29 PM - 4:59 PM
12:45 AM - 2:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:19 PM
Sunset: 7:24 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:38 PM
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 AM
9:21 PM - 11:51 PM

Minor Periods

4:08 PM - 5:38 PM
1:42 AM - 3:12 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:19 PM
Sunset: 7:24 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:38 PM
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 AM
9:21 PM - 11:51 PM

Minor Periods

4:08 PM - 5:38 PM
1:42 AM - 3:12 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:19 PM
Sunset: 7:23 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:12 PM
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 PM
12:00 AM - 12:00 AM

Minor Periods

4:42 PM - 6:12 PM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:19 PM
Sunset: 7:23 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:12 PM
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 PM
12:00 AM - 12:00 AM

Minor Periods

4:42 PM - 6:12 PM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:18 PM
Sunset: 7:22 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:44 PM
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 PM
12:00 AM - 12:00 AM

Minor Periods

5:14 PM - 6:44 PM
3:40 AM - 5:10 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:18 PM
Sunset: 7:22 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:44 PM
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 PM
12:00 AM - 12:00 AM

Minor Periods

5:14 PM - 6:44 PM
3:40 AM - 5:10 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:18 PM
Sunset: 7:20 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:14 PM
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 AM
12:23 AM - 2:53 PM

Minor Periods

5:44 PM - 7:14 PM
4:38 AM - 6:08 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:18 PM
Sunset: 7:20 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:14 PM
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 AM
12:23 AM - 2:53 PM

Minor Periods

5:44 PM - 7:14 PM
4:38 AM - 6:08 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:18 PM
Sunset: 7:19 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:43 PM
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 AM
1:07 PM - 3:37 PM

Minor Periods

6:13 PM - 7:43 PM
5:38 AM - 7:08 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:18 PM
Sunset: 7:19 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:43 PM
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 AM
1:07 PM - 3:37 PM

Minor Periods

6:13 PM - 7:43 PM
5:38 AM - 7:08 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:17 PM
Sunset: 7:18 PM
Daylight: 12 hrs 1 mins
Moonrise: 7:12 PM
Moon Transit: 12:51 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:38 AM - 8:08 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:17 PM
Sunset: 7:18 PM
Daylight: 12 hrs 1 mins
Moonrise: 7:12 PM
Moon Transit: 12:51 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:38 AM - 8:08 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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