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

Current Water Temperature

59.4°F

Measurement Time: Thursday, January 1, 2026, 9:12 AM EST

Today's Tides

Low: January 1, 12:33 AM, -0.5 ft
 High: January 1, 7:14 AM, 4.0 ft
Low: January 1, 1:41 PM, -0.4 ft
 High: January 1, 7:31 PM, 3.3 ft

Temperature Locations

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Local Points of Interest

Dames Point; Blount Island

St. Johns River

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

Elevation Above Sea Level: 30 feet

Sensor Depth: -3 feet

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 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 mi)
St. Johns River, Jacksonville, FL (15 mi)
St. Johns River, Orange Park, FL (16.4 mi)
Ortega River, Jacksonville, FL (16.4 mi)

Weather for Jacksonville, Florida

Current Weather

45°F
Sunny
Sunny
42.3°F
40.1°F
47%
W 4.9 mph
8.9 mph
35.8°F
25.8°F
0 in
0%
9 mi
1020 mbar
0.7

Five Day Weather Forecast

Sunny
Thu
H: 67°F
L: 35°F
Overcast
Fri
H: 65°F
L: 49°F
Patchy rain nearby
Sat
H: 71°F
L: 57°F
Patchy rain nearby
Sun
H: 67°F
L: 55°F
Partly Cloudy
Mon
H: 67°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 202.85 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 6.15 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:29 AM
Sunset: 5:37 PM
Daylight: 10 hrs 14 mins
Moonrise: 3:41 PM
Moon Transit: 11:13 PM
Moonset: 5:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:20 AM - 1:50 PM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
5:07 AM - 6:37 AM

Action Rating: 2 out of 5

Frost Advisory issued December 31 at 10:39AM EST until January 1 at 8:00AM EST by NWS Jacksonville FL

Effective: Wed December 31, 2025, 10:39 AM
Expires: Thu January 1, 2026, 8:00 AM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Florida, Coastal Duval, Coastal Nassau, Eastern Clay, Inland Flagler, Northern Inland St. Johns, South Central Duval, Southern Inland St. Johns, and Western St. Johns Counties. In Georgia, Coastal Camden and Coastal Glynn Counties. * WHEN...From 3 AM to 8 AM EST Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued December 31 at 10:39AM EST until January 1 at 8:00AM EST by NWS Jacksonville FL

Effective: Wed December 31, 2025, 10:39 AM
Expires: Thu January 1, 2026, 8:00 AM

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Trout River area of Duval County. * WHEN...From 3 AM to 8 AM EST Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Freeze Warning issued December 31 at 10:39AM EST until January 1 at 8:00AM EST by NWS Jacksonville FL

Effective: Wed December 31, 2025, 10:39 AM
Expires: Thu January 1, 2026, 8:00 AM

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 1 AM to 8 AM EST Thursday. * IMPACTS...Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

Take steps now to protect tender plants from the cold.
Thursday, January 1, 2026

Weather Forecast

Sunny
66.7°F
35.2°F
50.2°F
44%
0 in
0%
0%
8.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 5.64 μg/m3
PM10: 5.71 μg/m3
Carbon Monoxide: 217.69 μg/m3
Nitrogen Dioxide: 9.23 μg/m3
Sulphur Dioxide: 4.36 μg/m3
Ozone: 68.6 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:29 AM
Sunset: 5:37 PM
Daylight: 10 hrs 14 mins
Moonrise: 3:41 PM
Moon Transit: 11:13 PM
Moonset: 5:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:20 AM - 1:50 PM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
5:07 AM - 6:37 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Overcast
64.6°F
48.6°F
56.6°F
55%
0 in
0%
0%
7.2 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 10.25 μg/m3
PM10: 10.77 μg/m3
Carbon Monoxide: 243.85 μg/m3
Nitrogen Dioxide: 12.02 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 72.32 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:30 AM
Sunset: 5:37 PM
Daylight: 10 hrs 14 mins
Moonrise: 4:49 PM
Moon Transit: 12:00 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:27 AM - 2:57 PM

Minor Periods

4:19 PM - 5:49 PM
6:17 AM - 7:47 AM

Action Rating: 5 out of 5

Saturday, January 3, 2026

Weather Forecast

Patchy rain nearby
71.1°F
56.5°F
62.3°F
81%
0.07 in
75%
0%
13.9 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 11.43 μg/m3
Carbon Monoxide: 194.45 μg/m3
Nitrogen Dioxide: 11.07 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 71.88 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:30 AM
Sunset: 5:38 PM
Daylight: 10 hrs 15 mins
Moonrise: 6:01 PM
Moon Transit: 12:20 AM
Moonset: 7:48 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:32 PM - 4:02 PM

Minor Periods

5:31 PM - 7:01 PM
7:18 AM - 8:48 AM

Action Rating: 5 out of 5

Sunday, January 4, 2026

Weather Forecast

Patchy rain nearby
67.4°F
55.4°F
61°F
77%
0.07 in
82%
0%
10.1 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 6.72 μg/m3
Carbon Monoxide: 194.44 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 4.7 μg/m3
Ozone: 67.36 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:31 AM
Sunset: 5:39 PM
Daylight: 10 hrs 15 mins
Moonrise: 7:13 PM
Moon Transit: 1:23 AM
Moonset: 8:39 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
2:33 PM - 5:03 PM

Minor Periods

6:43 PM - 8:13 PM
8:09 AM - 9:39 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Partly Cloudy
67°F
52.8°F
56.7°F
76%
0 in
0%
0%
9.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 10.65 μg/m3
PM10: 13.18 μg/m3
Carbon Monoxide: 205.93 μg/m3
Nitrogen Dioxide: 10.57 μg/m3
Sulphur Dioxide: 7.03 μg/m3
Ozone: 66.62 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:31 AM
Sunset: 5:40 PM
Daylight: 10 hrs 16 mins
Moonrise: 8:22 PM
Moon Transit: 2:21 AM
Moonset: 9:21 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
3:28 PM - 5:58 PM

Minor Periods

7:52 PM - 9:22 PM
8:51 AM - 10:21 AM

Action Rating: 4 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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