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

Current Water Temperature

81.0°F

Measurement Time: Thursday, September 4, 2025, 6:00 AM EDT

Temperature Locations

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St. Johns River

Station Name: ST JOHNS RVR AT CHRISTOPHER PT NR JACKSONVILLE, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -3 feet / -1 meters

Nearest Address:
6534 Christopher Point Rd W
Jacksonville, FL 32217
Duval County

GPS Coordinates: 30.25288889, -81.6431

Nearby Water Temperatures

St. Johns River, Jacksonville, FL (3.7 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Pottsburg Creek, Jacksonville, FL (5.0 mi)
St. Johns River, Jacksonville, FL (5.0 mi)
St. Johns River, Orange Park, FL (5.8 mi)
Cedar River, Jacksonville, FL (6.1 mi)
Ortega River, Jacksonville, FL (6.3 mi)
St. Johns River, Jacksonville, FL (7.2 mi)
Julington Creek, Jacksonville, FL (8.7 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
Durbin Creek, Jacksonville, FL (10.9 mi)
Broward River, Jacksonville, FL (13.2 mi)
Dunn Creek, Jacksonville, FL (14.2 mi)
Trout River, Jacksonville, FL (14.4 mi)

Weather for Jacksonville, Florida

Current Weather

80.1°F
Sunny
Conditions: Sunny
Humidity: 76%
Feels Like: 82.7°F
Wind: E 4.7 mph
Wind Gusts: 5.4 mph
Pressure: 29.95 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 5.9

Five Day Weather Forecast

Sunny
Thu
H: 93°F
L: 75°F
Sunny
Fri
H: 90°F
L: 77°F
Partly Cloudy
Sat
H: 92°F
L: 76°F
Sunny
Sun
H: 93°F
L: 76°F
Patchy rain nearby
Mon
H: 89°F
L: 77°F

Air Quality

AQI: 1 - Good
PM2.5: 14.8 μg/m3
PM10: 20.54 μg/m3
Carbon Monoxide: 279.35 μg/m3
Nitrogen Dioxide: 2.78 μg/m3
Sulphur Dioxide: 11.84 μg/m3
Ozone: 115 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:25 PM
Sunset: 7:45 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:04 PM
Moon Transit: 11:18 PM
Moonset: 3:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

11:32 AM - 2:02 PM
12:00 AM - 12:00 AM

Minor Periods

5:34 PM - 7:04 PM
3:05 AM - 4:35 AM

Action Rating: 2 out of 5

Coastal Flood Advisory issued September 4 at 2:00AM EDT until September 6 at 5:00AM EDT by NWS Jacksonville FL

Effective: Thu September 4, 2025, 2:00 AM
Expires: Fri September 5, 2025, 5:00 AM

* WHAT...Minor flooding around times of high tide. * WHERE...Inland Flagler, Eastern Clay, Eastern Putnam and Western St. Johns Counties. * WHEN...Until 5 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 4 at 2:00AM EDT until September 6 at 5:00AM EDT by NWS Jacksonville FL

Effective: Thu September 4, 2025, 2:00 AM
Expires: Fri September 5, 2025, 5:00 AM

* WHAT...Minor flooding around times of high tide. * WHERE...Inland Flagler, Eastern Clay, Eastern Putnam and Western St. Johns Counties. * WHEN...Until 5 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 4 at 2:00AM EDT until September 6 at 5:00AM EDT by NWS Jacksonville FL

Effective: Thu September 4, 2025, 2:00 AM
Expires: Fri September 5, 2025, 5:00 AM

* WHAT...Minor flooding around times of high tide. * WHERE...Inland Flagler, Eastern Clay, Eastern Putnam and Western St. Johns Counties. * WHEN...Until 5 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 4 at 2:00AM EDT until September 6 at 5:00AM EDT by NWS Jacksonville FL

Effective: Thu September 4, 2025, 2:00 AM
Expires: Fri September 5, 2025, 5:00 AM

* WHAT...Minor flooding around times of high tide. * WHERE...Inland Flagler, Eastern Clay, Eastern Putnam and Western St. Johns Counties. * WHEN...Until 5 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 4 at 2:00AM EDT until September 6 at 5:00AM EDT by NWS Jacksonville FL

Effective: Thu September 4, 2025, 2:00 AM
Expires: Fri September 5, 2025, 5:00 AM

* WHAT...Minor flooding around times of high tide. * WHERE...Inland Flagler, Eastern Clay, Eastern Putnam and Western St. Johns Counties. * WHEN...Until 5 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Thursday, September 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 81.3°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 15.98 μg/m3
PM10: 21.34 μg/m3
Carbon Monoxide: 359.64 μg/m3
Nitrogen Dioxide: 12.7 μg/m3
Sulphur Dioxide: 9.49 μg/m3
Ozone: 95.24 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:25 PM
Sunset: 7:45 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:04 PM
Moon Transit: 11:18 PM
Moonset: 3:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

11:32 AM - 2:02 PM
12:00 AM - 12:00 AM

Minor Periods

5:34 PM - 7:04 PM
3:05 AM - 4:35 AM

Action Rating: 2 out of 5

Friday, September 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 82.1°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 10.7 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 10.66 μg/m3
PM10: 14.23 μg/m3
Carbon Monoxide: 392.05 μg/m3
Nitrogen Dioxide: 12.28 μg/m3
Sulphur Dioxide: 7.78 μg/m3
Ozone: 76.48 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:25 PM
Sunset: 7:44 PM
Daylight: 12 hrs 38 mins
Moonrise: 6:41 PM
Moon Transit: 12:00 AM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:23 AM - 2:53 PM

Minor Periods

6:11 PM - 7:41 PM
4:10 AM - 5:40 AM

Action Rating: 3 out of 5

Saturday, September 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 82.3°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 10.38 μg/m3
PM10: 13.63 μg/m3
Carbon Monoxide: 354.09 μg/m3
Nitrogen Dioxide: 15.09 μg/m3
Sulphur Dioxide: 7.35 μg/m3
Ozone: 62.4 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:24 PM
Sunset: 7:43 PM
Daylight: 12 hrs 36 mins
Moonrise: 7:15 PM
Moon Transit: 12:09 AM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:13 PM - 3:43 PM

Minor Periods

6:45 PM - 8:15 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Sunday, September 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 83.6°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 16.03 μg/m3
PM10: 18.69 μg/m3
Carbon Monoxide: 360.08 μg/m3
Nitrogen Dioxide: 21.45 μg/m3
Sulphur Dioxide: 10.26 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:24 PM
Sunset: 7:41 PM
Daylight: 12 hrs 35 mins
Moonrise: 7:47 PM
Moon Transit: 12:58 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
2:02 PM - 4:32 PM

Minor Periods

7:17 PM - 8:47 PM
6:21 AM - 7:51 AM

Action Rating: 4 out of 5

Monday, September 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.4°F
Average Humidity: 64%
Chance of Rain: 85%
Wind: 12.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 13.72 μg/m3
PM10: 17.97 μg/m3
Carbon Monoxide: 311.8 μg/m3
Nitrogen Dioxide: 15.38 μg/m3
Sulphur Dioxide: 6.85 μg/m3
Ozone: 64.85 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:24 PM
Sunset: 7:40 PM
Daylight: 12 hrs 33 mins
Moonrise: 8:18 PM
Moon Transit: 1:47 AM
Moonset: 7:56 AM
Moon Phase: Full
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

1:17 AM - 3:47 AM
2:50 PM - 5:20 PM

Minor Periods

7:48 PM - 9:18 PM
7:26 AM - 8:56 AM

Action Rating: 5 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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