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

Current Water Temperature

55.0°F

Measurement Time: Monday, January 19, 2026, 5:30 PM EST

Temperature Locations

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Local Points of Interest

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

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

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 mi)
St. Johns River, Jacksonville, FL (15 mi)
Broward River, Jacksonville, FL (17.5 mi)

Weather for Jacksonville, Florida

Current Weather

46°F
Clear
Clear
43.3°F
42°F
45%
NNW 5.4 mph
9.1 mph
37.3°F
25.1°F
0 in
0%
9 mi
1026 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 52°F
L: 32°F
Sunny
Tue
H: 61°F
L: 35°F
Partly Cloudy
Wed
H: 65°F
L: 46°F
Partly Cloudy
Thu
H: 72°F
L: 55°F
Patchy rain nearby
Fri
H: 76°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 185.85 μg/m3
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:37 AM
Sunset: 5:52 PM
Daylight: 10 hrs 30 mins
Moonrise: 8:07 AM
Moon Transit: 1:24 PM
Moonset: 6:49 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
12:54 AM - 3:24 PM

Minor Periods

6:19 PM - 7:49 PM
7:37 AM - 9:07 AM

Action Rating: 5 out of 5

Freeze Warning issued January 19 at 12:23PM EST until January 20 at 9:00AM EST by NWS Jacksonville FL

Effective: Mon January 19, 2026, 12:23 PM
Expires: Tue January 20, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 PM this evening to 9 AM EST Tuesday. * 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.


Freeze Warning issued January 19 at 12:23PM EST until January 20 at 9:00AM EST by NWS Jacksonville FL

Effective: Mon January 19, 2026, 12:23 PM
Expires: Tue January 20, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27 expected. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Freeze Warning, from 11 PM this evening to 9 AM EST Tuesday. For the Freeze Watch, from late Tuesday night through Wednesday morning. * 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.


Freeze Watch issued January 19 at 12:23PM EST until January 21 at 8:00AM EST by NWS Jacksonville FL

Effective: Mon January 19, 2026, 12:23 PM
Expires: Tue January 20, 2026, 9:00 AM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27 expected. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Freeze Warning, from 11 PM this evening to 9 AM EST Tuesday. For the Freeze Watch, from late Tuesday night through Wednesday morning. * 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.
Monday, January 19, 2026

Weather Forecast

Sunny
52.2°F
31.5°F
41.7°F
63%
0 in
0%
0%
8.7 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.91 μg/m3
PM10: 8.04 μg/m3
Carbon Monoxide: 199.09 μg/m3
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 4.24 μg/m3
Ozone: 70.72 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:37 AM
Sunset: 5:52 PM
Daylight: 10 hrs 30 mins
Moonrise: 8:07 AM
Moon Transit: 1:24 PM
Moonset: 6:49 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
12:54 AM - 3:24 PM

Minor Periods

6:19 PM - 7:49 PM
7:37 AM - 9:07 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Sunny
60.8°F
35.2°F
46.6°F
44%
0 in
0%
0%
7.6 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 8.29 μg/m3
Carbon Monoxide: 233.45 μg/m3
Nitrogen Dioxide: 8.29 μg/m3
Sulphur Dioxide: 5.28 μg/m3
Ozone: 71.56 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:37 AM
Sunset: 5:53 PM
Daylight: 10 hrs 31 mins
Moonrise: 8:41 AM
Moon Transit: 2:12 PM
Moonset: 7:49 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
1:42 PM - 4:12 PM

Minor Periods

7:19 PM - 8:49 PM
8:11 AM - 9:41 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Partly Cloudy
64.9°F
45.7°F
55.1°F
62%
0 in
0%
0%
8.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 8.04 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 229.8 μg/m3
Nitrogen Dioxide: 6.59 μg/m3
Sulphur Dioxide: 3.41 μg/m3
Ozone: 77.6 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:38 AM
Sunset: 5:54 PM
Daylight: 10 hrs 32 mins
Moonrise: 9:12 AM
Moon Transit: 2:57 PM
Moonset: 8:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
2:27 PM - 4:57 PM

Minor Periods

8:20 PM - 9:50 PM
8:42 AM - 10:12 AM

Action Rating: 2 out of 5

Thursday, January 22, 2026

Weather Forecast

Partly Cloudy
72.3°F
54.5°F
62.5°F
79%
0 in
0%
0%
9.4 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 14.27 μg/m3
PM10: 18.67 μg/m3
Carbon Monoxide: 203.3 μg/m3
Nitrogen Dioxide: 11.09 μg/m3
Sulphur Dioxide: 3.23 μg/m3
Ozone: 68.4 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:38 AM
Sunset: 5:55 PM
Daylight: 10 hrs 33 mins
Moonrise: 9:42 AM
Moon Transit: 3:42 PM
Moonset: 9:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
3:12 PM - 5:42 PM

Minor Periods

9:20 PM - 10:50 PM
9:12 AM - 10:42 AM

Action Rating: 3 out of 5

Friday, January 23, 2026

Weather Forecast

Patchy rain nearby
75.9°F
50.3°F
63.6°F
75%
0.01 in
70%
0%
7.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 10.44 μg/m3
PM10: 13.53 μg/m3
Carbon Monoxide: 165.08 μg/m3
Nitrogen Dioxide: 6.62 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 75.15 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:38 AM
Sunset: 5:56 PM
Daylight: 10 hrs 35 mins
Moonrise: 10:11 AM
Moon Transit: 9:54 AM
Moonset: 10:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:24 AM - 11:54 AM

Minor Periods

10:21 PM - 11:51 PM
9:41 AM - 11:11 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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