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

Current Water Temperature

86.7°F

Measurement Time: Saturday, September 12, 2026, 9:30 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

89°F
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
68%
SW 7 mph
77°F

Weather Forecast

Showers And Thunderstorms Likely
This Afternoon
91°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Mostly Cloudy
Tonight
77°F - Showers And Thunderstorms Likely then Mostly Cloudy
Mostly Sunny then Chance Showers And Thunderstorms
Sunday
92°F - Mostly Sunny then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Partly Cloudy
Sunday Night
77°F - Chance Showers And Thunderstorms then Partly Cloudy
Sunny
Monday
92°F - Sunny
Mostly Clear
Monday Night
78°F - Mostly Clear
Chance Showers And Thunderstorms
Tuesday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday Night
77°F - Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And Thunderstorms
Wednesday
86°F - Mostly Sunny then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday Night
76°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Thursday
86°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Thursday Night
75°F - Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Friday
88°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Partly Cloudy
Friday Night
75°F - Showers And Thunderstorms Likely then Partly Cloudy

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:22 PM
Sunset: 7:35 PM
Daylight: 12 hrs 26 mins
Moonrise: 8:36 AM
Moon Transit: 2:32 PM
Moonset: 8:22 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
2:02 PM - 4:32 PM

Minor Periods

7:52 PM - 9:22 PM
8:06 AM - 9:36 AM

Action Rating: 4 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: 7:09 AM
Sun Transit: 1:22 PM
Sunset: 7:35 PM
Daylight: 12 hrs 26 mins
Moonrise: 8:36 AM
Moon Transit: 2:32 PM
Moonset: 8:22 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
2:02 PM - 4:32 PM

Minor Periods

7:52 PM - 9:22 PM
8:06 AM - 9:36 AM

Action Rating: 4 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: 7:09 AM
Sun Transit: 1:22 PM
Sunset: 7:35 PM
Daylight: 12 hrs 26 mins
Moonrise: 8:36 AM
Moon Transit: 2:32 PM
Moonset: 8:22 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
2:02 PM - 4:32 PM

Minor Periods

7:52 PM - 9:22 PM
8:06 AM - 9:36 AM

Action Rating: 4 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: 7:10 AM
Sun Transit: 1:22 PM
Sunset: 7:34 PM
Daylight: 12 hrs 24 mins
Moonrise: 9:36 AM
Moon Transit: 3:17 PM
Moonset: 8:53 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
2:47 PM - 5:17 PM

Minor Periods

8:23 PM - 9:53 PM
9:06 AM - 10:36 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: 7:10 AM
Sun Transit: 1:22 PM
Sunset: 7:34 PM
Daylight: 12 hrs 24 mins
Moonrise: 9:36 AM
Moon Transit: 3:17 PM
Moonset: 8:53 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
2:47 PM - 5:17 PM

Minor Periods

8:23 PM - 9:53 PM
9:06 AM - 10:36 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: 7:10 AM
Sun Transit: 1:22 PM
Sunset: 7:33 PM
Daylight: 12 hrs 23 mins
Moonrise: 10:36 AM
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 AM
3:33 PM - 6:03 PM

Minor Periods

8:55 PM - 10:25 PM
10:06 AM - 11:36 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: 7:10 AM
Sun Transit: 1:22 PM
Sunset: 7:33 PM
Daylight: 12 hrs 23 mins
Moonrise: 10:36 AM
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 AM
3:33 PM - 6:03 PM

Minor Periods

8:55 PM - 10:25 PM
10:06 AM - 11:36 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: 7:11 AM
Sun Transit: 1:21 PM
Sunset: 7:32 PM
Daylight: 12 hrs 21 mins
Moonrise: 11:35 AM
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 AM
4:21 PM - 6:51 PM

Minor Periods

9:32 PM - 11:02 PM
11:05 AM - 12:35 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: 7:11 AM
Sun Transit: 1:21 PM
Sunset: 7:32 PM
Daylight: 12 hrs 21 mins
Moonrise: 11:35 AM
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 AM
4:21 PM - 6:51 PM

Minor Periods

9:32 PM - 11:02 PM
11:05 AM - 12:35 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: 7:12 AM
Sun Transit: 1:21 PM
Sunset: 7:30 PM
Daylight: 12 hrs 19 mins
Moonrise: 12:35 AM
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 AM
5:10 PM - 7:40 PM

Minor Periods

10:13 PM - 11:43 PM
12:05 AM - 1:35 PM

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: 7:12 AM
Sun Transit: 1:21 PM
Sunset: 7:30 PM
Daylight: 12 hrs 19 mins
Moonrise: 12:35 AM
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 AM
5:10 PM - 7:40 PM

Minor Periods

10:13 PM - 11:43 PM
12:05 AM - 1:35 PM

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: 7:12 AM
Sun Transit: 1:21 PM
Sunset: 7:29 PM
Daylight: 12 hrs 17 mins
Moonrise: 1:32 PM
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 AM
6:01 PM - 8:31 PM

Minor Periods

12:00 AM - 12:00 AM
1:02 PM - 2:32 PM

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: 7:12 AM
Sun Transit: 1:21 PM
Sunset: 7:29 PM
Daylight: 12 hrs 17 mins
Moonrise: 1:32 PM
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 AM
6:01 PM - 8:31 PM

Minor Periods

12:00 AM - 12:00 AM
1:02 PM - 2:32 PM

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: 7:13 AM
Sun Transit: 1:20 PM
Sunset: 7:28 PM
Daylight: 12 hrs 15 mins
Moonrise: 2:26 PM
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 AM
6:52 PM - 9:22 PM

Minor Periods

1:56 PM - 3:26 PM
12:00 AM - 12:00 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: 7:13 AM
Sun Transit: 1:20 PM
Sunset: 7:28 PM
Daylight: 12 hrs 15 mins
Moonrise: 2:26 PM
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 AM
6:52 PM - 9:22 PM

Minor Periods

1:56 PM - 3:26 PM
12:00 AM - 12:00 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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