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

Current Water Temperature

84.7°F

Measurement Time: Sunday, August 17, 2025, 4:30 AM EDT

Temperature Locations

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Local Points of Interest

Henry H Buckman Bridge; Plummers Cove; Mulberry Cove; Naval Air Station Jacksonville

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St. Johns River

Station Name: ST.JOHNS RIVER BUCKMAN BRIDGE AT JACKSONVILLE,FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
I-295 (Buckman Bridge)
Jacksonville, FL 32257
Duval County

GPS Coordinates: 30.1902405, -81.6662048

Nearby Water Temperatures

St. Johns River, Orange Park, FL (1.9 mi)
Ortega River, Jacksonville, FL (3.9 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Julington Creek, Jacksonville, FL (5.7 mi)
Cedar River, Jacksonville, FL (7.7 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
Durbin Creek, Jacksonville, FL (8.7 mi)
Pottsburg Creek, Jacksonville, FL (8.8 mi)
St. Johns River, Jacksonville, FL (9.1 mi)
St. Johns River, Jacksonville, FL (11.8 mi)
St. Johns River, Green Cove Springs, FL (13.1 mi)
St. Johns River, Green Cove Springs, FL (14.6 mi)
St. Johns River, Jacksonville, FL (15.0 mi)
St. Johns River, Jacksonville, FL (15.0 mi)
Broward River, Jacksonville, FL (17.5 mi)

Weather for Jacksonville, Florida

Current Weather

79°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 90%
Feels Like: 86.1°F
Wind: NNW 2.7 mph
Wind Gusts: 3.6 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 1.5

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 91°F
L: 80°F
Fog
Mon
H: 92°F
L: 78°F
Mist
Tue
H: 91°F
L: 78°F
Moderate rain
Wed
H: 91°F
L: 76°F
Moderate rain
Thu
H: 96°F
L: 77°F

Air Quality

AQI: 2 - Moderate
PM2.5: 15.54 μg/m3
PM10: 16.1 μg/m3
Carbon Monoxide: 351.5 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 5 μg/m3
Ozone: 120 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:30 PM
Sunset: 8:06 PM
Daylight: 13 hrs 10 mins
Moonrise: 12:56 AM
Moon Transit: 8:20 AM
Moonset: 3:50 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
12:00 AM - 12:00 AM

Minor Periods

3:20 PM - 4:50 PM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Special Weather Statement issued August 17 at 7:43AM EDT by NWS Jacksonville FL

Effective: Sun August 17, 2025, 7:43 AM
Expires: Sun August 17, 2025, 10:00 AM

Areas of locally dense fog have developed across inland portions of northeast and north central Florida early this morning. Visibilities may be reduced to around one quarter mile at some locations early this morning. This fog is expected to dissipate during the mid-morning hours. The nature of the fog is such that visibilities will vary greatly over short distances. Motorists should be alert for rapidly changing conditions through the early morning hours.


Special Weather Statement issued August 17 at 7:43AM EDT by NWS Jacksonville FL

Effective: Sun August 17, 2025, 7:43 AM
Expires: Sun August 17, 2025, 10:00 AM

Areas of locally dense fog have developed across inland portions of northeast and north central Florida early this morning. Visibilities may be reduced to around one quarter mile at some locations early this morning. This fog is expected to dissipate during the mid-morning hours. The nature of the fog is such that visibilities will vary greatly over short distances. Motorists should be alert for rapidly changing conditions through the early morning hours.


Special Weather Statement issued August 17 at 7:43AM EDT by NWS Jacksonville FL

Effective: Sun August 17, 2025, 7:43 AM
Expires: Sun August 17, 2025, 10:00 AM

Areas of locally dense fog have developed across inland portions of northeast and north central Florida early this morning. Visibilities may be reduced to around one quarter mile at some locations early this morning. This fog is expected to dissipate during the mid-morning hours. The nature of the fog is such that visibilities will vary greatly over short distances. Motorists should be alert for rapidly changing conditions through the early morning hours.


Special Weather Statement issued August 17 at 7:43AM EDT by NWS Jacksonville FL

Effective: Sun August 17, 2025, 7:43 AM
Expires: Sun August 17, 2025, 10:00 AM

Areas of locally dense fog have developed across inland portions of northeast and north central Florida early this morning. Visibilities may be reduced to around one quarter mile at some locations early this morning. This fog is expected to dissipate during the mid-morning hours. The nature of the fog is such that visibilities will vary greatly over short distances. Motorists should be alert for rapidly changing conditions through the early morning hours.


Special Weather Statement issued August 17 at 7:43AM EDT by NWS Jacksonville FL

Effective: Sun August 17, 2025, 7:43 AM
Expires: Sun August 17, 2025, 10:00 AM

Areas of locally dense fog have developed across inland portions of northeast and north central Florida early this morning. Visibilities may be reduced to around one quarter mile at some locations early this morning. This fog is expected to dissipate during the mid-morning hours. The nature of the fog is such that visibilities will vary greatly over short distances. Motorists should be alert for rapidly changing conditions through the early morning hours.


Sunday, August 17, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.5°F
Average Humidity: 78%
Chance of Rain: 81%
Wind: 7.2 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 19.02 μg/m3
PM10: 19.54 μg/m3
Carbon Monoxide: 382.95 μg/m3
Nitrogen Dioxide: 8.28 μg/m3
Sulphur Dioxide: 7.86 μg/m3
Ozone: 116.08 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:30 PM
Sunset: 8:06 PM
Daylight: 13 hrs 10 mins
Moonrise: 12:56 AM
Moon Transit: 8:20 AM
Moonset: 3:50 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
12:00 AM - 12:00 AM

Minor Periods

3:20 PM - 4:50 PM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Monday, August 18, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 83.5°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 11.87 μg/m3
PM10: 13.37 μg/m3
Carbon Monoxide: 344.03 μg/m3
Nitrogen Dioxide: 10.7 μg/m3
Sulphur Dioxide: 6.28 μg/m3
Ozone: 86.76 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:30 PM
Sunset: 8:05 PM
Daylight: 13 hrs 9 mins
Moonrise: 1:51 AM
Moon Transit: 9:22 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 18.9%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
12:00 AM - 12:00 AM

Minor Periods

4:25 PM - 5:55 PM
1:21 AM - 2:51 AM

Action Rating: 2 out of 5

Tuesday, August 19, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 82.6°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 15.64 μg/m3
PM10: 19.24 μg/m3
Carbon Monoxide: 366.89 μg/m3
Nitrogen Dioxide: 9.32 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 79.08 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:30 PM
Sunset: 8:04 PM
Daylight: 13 hrs 7 mins
Moonrise: 2:54 AM
Moon Transit: 10:24 AM
Moonset: 5:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:54 AM - 12:24 AM

Minor Periods

5:21 PM - 6:51 PM
2:24 AM - 3:54 AM

Action Rating: 2 out of 5

Wednesday, August 20, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 82.8°F
Average Humidity: 71%
Chance of Rain: 89%
Wind: 7.2 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 16.41 μg/m3
PM10: 20.36 μg/m3
Carbon Monoxide: 365.26 μg/m3
Nitrogen Dioxide: 8.3 μg/m3
Sulphur Dioxide: 5.86 μg/m3
Ozone: 81.12 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:29 PM
Sunset: 8:03 PM
Daylight: 13 hrs 6 mins
Moonrise: 4:01 AM
Moon Transit: 11:23 AM
Moonset: 6:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:53 AM - 1:23 PM

Minor Periods

6:09 PM - 7:39 PM
3:31 AM - 5:01 AM

Action Rating: 3 out of 5

Thursday, August 21, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 84.1°F
Average Humidity: 68%
Chance of Rain: 79%
Wind: 8.1 mph
UV Index: 6

Air Quality

AQI: 2 - Moderate
PM2.5: 26.07 μg/m3
PM10: 28.9 μg/m3
Carbon Monoxide: 516.86 μg/m3
Nitrogen Dioxide: 25.64 μg/m3
Sulphur Dioxide: 7.97 μg/m3
Ozone: 59.92 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:29 PM
Sunset: 8:01 PM
Daylight: 13 hrs 4 mins
Moonrise: 5:07 AM
Moon Transit: 12:17 AM
Moonset: 7:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
11:47 AM - 2:17 PM

Minor Periods

6:49 PM - 8:19 PM
4:37 AM - 6:07 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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