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

Current Water Temperature

62.4°F

Measurement Time: Sunday, December 28, 2025, 6:54 AM EST

Today's Tides

 High: December 28, 2:12 AM, 4.3 ft
Low: December 28, 8:18 AM, 0.4 ft
 High: December 28, 2:33 PM, 4.0 ft
Low: December 28, 8:38 PM, -0.2 ft

Temperature Locations

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Local Points of Interest

Mayport, FL; Mayport Naval Station; Huguenot Memorial Park

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St. Johns River

Station Name: Mayport (Bar Pilots Dock)
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -6 feet

Nearest Address:
4910 Ocean St
Jacksonville, FL 32233
Duval County

GPS Coordinates: 30.398167, -81.427889

Nearby Water Temperatures

Clapboard Creek, Jacksonville, FL (6.7 mi)
St. Johns River, Jacksonville, FL (7.8 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
Dunn Creek, Jacksonville, FL (10.8 mi)
St. Johns River, Jacksonville, FL (11.4 mi)
Pottsburg Creek, Jacksonville, FL (11.4 mi)
Broward River, Jacksonville, FL (14.7 mi)
St. Johns River, Jacksonville, FL (15.1 mi)
St. Johns River, Jacksonville, FL (15.3 mi)
St. Johns River, Jacksonville, FL (16.3 mi)
Amelia River, Fernandina Beach, FL (19 mi)
Trout River, Jacksonville, FL (19.9 mi)
St. Johns River, Jacksonville, FL (20.2 mi)
Cedar River, Jacksonville, FL (20.3 mi)
Durbin Creek, Jacksonville, FL (20.5 mi)

Weather for Jacksonville, Florida

Current Weather

62.3°F
Cloudy
Conditions: Cloudy
Humidity: 97%
Heat Index: 62.3°F
Feels Like: 62.3°F
Wind: NW 3.1 mph
Wind Gusts: 6 mph
Wind Chill: 62.3°F
Air Pressure: 1019.51 millibars
Dew Point: 62.3°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 60%
Visibility: 0 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Sun
H: 70°F
L: 58°F
Overcast
Mon
H: 68°F
L: 59°F
Partly Cloudy
Tue
H: 46°F
L: 43°F
Sunny
Wed
H: 58°F
L: 41°F
Partly Cloudy
Thu
H: 63°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 15.05 μg/m3
PM10: 16.85 μg/m3
Carbon Monoxide: 265.85 μg/m3
Nitrogen Dioxide: 23.55 μg/m3
Sulphur Dioxide: 5.95 μg/m3
Ozone: 42 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:27 AM
Sunset: 5:33 PM
Daylight: 10 hrs 12 mins
Moonrise: 12:38 AM
Moon Transit: 7:15 PM
Moonset: 12:56 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
6:45 PM - 9:15 PM

Minor Periods

12:08 AM - 1:38 PM
12:26 AM - 1:56 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued December 27 at 10:44PM EST until December 28 at 10:00AM EST by NWS Jacksonville FL

Effective: Sat December 27, 2025, 10:44 PM
Expires: Sun December 28, 2025, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northeast Florida and southeast Georgia. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Sunday, December 28, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 64.3°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 5.1 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 14.72 μg/m3
PM10: 15.77 μg/m3
Carbon Monoxide: 241.33 μg/m3
Nitrogen Dioxide: 21.99 μg/m3
Sulphur Dioxide: 4.58 μg/m3
Ozone: 51.16 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:27 AM
Sunset: 5:33 PM
Daylight: 10 hrs 12 mins
Moonrise: 12:38 AM
Moon Transit: 7:15 PM
Moonset: 12:56 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
6:45 PM - 9:15 PM

Minor Periods

12:08 AM - 1:38 PM
12:26 AM - 1:56 AM

Action Rating: 3 out of 5

Monday, December 29, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 64.5°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 10.7 μg/m3
Carbon Monoxide: 184.41 μg/m3
Nitrogen Dioxide: 14.01 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 56.96 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:27 AM
Sunset: 5:34 PM
Daylight: 10 hrs 12 mins
Moonrise: 1:13 PM
Moon Transit: 8:07 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
7:37 PM - 10:07 PM

Minor Periods

12:43 AM - 2:13 PM
1:31 AM - 3:01 AM

Action Rating: 2 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 47.5°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 3.79 μg/m3
Carbon Monoxide: 184.49 μg/m3
Nitrogen Dioxide: 6.54 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 67.48 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:28 AM
Sunset: 5:35 PM
Daylight: 10 hrs 13 mins
Moonrise: 1:53 PM
Moon Transit: 9:04 PM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:16 AM - 11:46 AM
8:34 PM - 11:04 PM

Minor Periods

1:23 PM - 2:53 PM
2:40 AM - 4:10 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 48.9°F
Average Humidity: 32%
Chance of Rain: 0%
Wind: 10.7 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 5.2 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 191.75 μg/m3
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 5.62 μg/m3
Ozone: 61.68 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:28 AM
Sunset: 5:35 PM
Daylight: 10 hrs 13 mins
Moonrise: 2:43 PM
Moon Transit: 10:06 PM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Minor Periods

2:13 PM - 3:43 PM
3:53 AM - 5:23 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 51.1°F
Average Humidity: 35%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.62 μg/m3
PM10: 5.63 μg/m3
Carbon Monoxide: 205.22 μg/m3
Nitrogen Dioxide: 10.69 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 63.38 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:29 AM
Sunset: 5:36 PM
Daylight: 10 hrs 14 mins
Moonrise: 3:41 PM
Moon Transit: 11:13 PM
Moonset: 5:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:21 AM - 1:51 PM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
5:06 AM - 6:36 AM

Action Rating: 2 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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