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

Current Water Temperature

85.3°F

Measurement Time: Friday, August 8, 2025, 12:00 AM EDT

Today's Tides

 Low: August 8, 3:23 AM, 0.02 ft
High: August 8, 9:06 AM, 3.24 ft
 Low: August 8, 3:04 PM, -0.22 ft
High: August 8, 9:41 PM, 3.88 ft

Temperature Locations

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Local Points of Interest

Dames Point; Blount Island

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St. Johns River

Station Name: Dames Point
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 30 feet / 9 meters

Sensor Depth: -3.4 feet / -1.0 meters

Nearest Address:
I-295 S
Jacksonville, FL 32226
Duval County

GPS Coordinates: 30.387222, -81.559166

Nearby Water Temperatures

St. Johns River, Jacksonville, FL (0.1 mi)
St. Johns River, Jacksonville, FL (3.9 mi)
Clapboard Creek, Jacksonville, FL (4.8 mi)
Dunn Creek, Jacksonville, FL (5.2 mi)
Pottsburg Creek, Jacksonville, FL (7.0 mi)
Broward River, Jacksonville, FL (7.6 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
Trout River, Jacksonville, FL (12.4 mi)
Cedar River, Jacksonville, FL (13.0 mi)
St. Johns River, Jacksonville, FL (15.0 mi)
St. Johns River, Orange Park, FL (16.4 mi)
Ortega River, Jacksonville, FL (16.4 mi)

Weather for Jacksonville, Florida

Current Weather

80.1°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 82%
Feels Like: 89.3°F
Wind: ENE 4 mph
Wind Gusts: 7.8 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 87°F
L: 77°F
Heavy rain
Sat
H: 85°F
L: 76°F
Heavy rain
Sun
H: 83°F
L: 76°F
Moderate rain
Mon
H: 92°F
L: 76°F
Patchy rain nearby
Tue
H: 91°F
L: 79°F

Air Quality

PM2.5: 10.36 μg/m3
PM10: 12.21 μg/m3
Carbon Monoxide: 279.35 μg/m3
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:31 PM
Sunset: 8:14 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:09 PM
Moon Transit: 12:38 AM
Moonset: 5:52 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
1:44 PM - 4:14 PM

Minor Periods

7:39 PM - 9:09 PM
5:22 AM - 6:52 AM

Action Rating: 4 out of 5

Flood Advisory issued August 7 at 8:23PM EDT until August 7 at 11:30PM EDT by NWS Jacksonville FL

Effective: Thu August 7, 2025, 8:23 PM
Expires: Thu August 7, 2025, 11:30 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Florida, including the following county, Columbia. * WHEN...Until 1130 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 823 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 1.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Lake City, Five Points, Winfield and Suwannee Valley. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.


Flood Advisory issued August 7 at 8:27PM EDT until August 7 at 10:30PM EDT by NWS Jacksonville FL

Effective: Thu August 7, 2025, 8:27 PM
Expires: Thu August 7, 2025, 10:30 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Florida, including the following county, Alachua. * WHEN...Until 1030 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 827 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Archer and Newberry. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.


Friday, August 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 81.3°F
Average Humidity: 82%
Chance of Rain: 73%
Wind: 8.7 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 9.89 μg/m3
PM10: 12.31 μg/m3
Carbon Monoxide: 310.95 μg/m3
Nitrogen Dioxide: 8.87 μg/m3
Sulphur Dioxide: 6.65 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:31 PM
Sunset: 8:14 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:09 PM
Moon Transit: 12:38 AM
Moonset: 5:52 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
1:44 PM - 4:14 PM

Minor Periods

7:39 PM - 9:09 PM
5:22 AM - 6:52 AM

Action Rating: 4 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 79.7°F
Average Humidity: 87%
Chance of Rain: 89%
Wind: 9.6 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 11.2 μg/m3
Carbon Monoxide: 261.66 μg/m3
Nitrogen Dioxide: 10.11 μg/m3
Sulphur Dioxide: 5.91 μg/m3
Ozone: 56.52 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:31 PM
Sunset: 8:13 PM
Daylight: 13 hrs 24 mins
Moonrise: 8:45 PM
Moon Transit: 1:30 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
2:35 PM - 5:05 PM

Minor Periods

8:15 PM - 9:45 PM
6:27 AM - 7:57 AM

Action Rating: 5 out of 5

Sunday, August 10, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 79.1°F
Average Humidity: 90%
Chance of Rain: 84%
Wind: 6.3 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 5.96 μg/m3
PM10: 8.23 μg/m3
Carbon Monoxide: 253.15 μg/m3
Nitrogen Dioxide: 7.61 μg/m3
Sulphur Dioxide: 4.45 μg/m3
Ozone: 54.88 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:31 PM
Sunset: 8:13 PM
Daylight: 13 hrs 22 mins
Moonrise: 9:17 PM
Moon Transit: 2:19 AM
Moonset: 8:02 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
3:23 PM - 5:53 PM

Minor Periods

8:47 PM - 10:17 PM
7:32 AM - 9:02 AM

Action Rating: 3 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 83.1°F
Average Humidity: 74%
Chance of Rain: 88%
Wind: 11.6 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 7.78 μg/m3
PM10: 10.42 μg/m3
Carbon Monoxide: 250.46 μg/m3
Nitrogen Dioxide: 13.51 μg/m3
Sulphur Dioxide: 3.22 μg/m3
Ozone: 36.92 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:31 PM
Sunset: 8:12 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:47 PM
Moon Transit: 3:07 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
4:11 PM - 6:41 PM

Minor Periods

9:17 PM - 10:47 PM
8:37 AM - 10:07 AM

Action Rating: 2 out of 5

Tuesday, August 12, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.4°F
Average Humidity: 74%
Chance of Rain: 76%
Wind: 10.5 mph
UV Index: 0.1

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: 6:52 AM
Sun Transit: 1:31 PM
Sunset: 8:11 PM
Daylight: 13 hrs 19 mins
Moonrise: 10:18 PM
Moon Transit: 3:55 AM
Moonset: 10:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
6:51 AM - 9:21 AM

Minor Periods

9:48 PM - 11:18 PM
9:41 AM - 11:11 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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