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

Current Water Temperature

54.5°F

Measurement Time: Thursday, January 29, 2026, 1:30 AM 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

39.9°F
Clear
Clear
37°F
34.1°F
59%
NNW 4.3 mph
7.9 mph
29.4°F
22.2°F
0 in
0%
9 mi
1025 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 62°F
L: 33°F
Patchy rain nearby
Fri
H: 64°F
L: 43°F
Overcast
Sat
H: 52°F
L: 31°F
Sunny
Sun
H: 41°F
L: 24°F
Sunny
Mon
H: 47°F
L: 28°F

Air Quality

AQI: 1 - Good
PM2.5: 10.65 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 243.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 6.65 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:39 AM
Sunset: 6:01 PM
Daylight: 10 hrs 43 mins
Moonrise: 2:30 PM
Moon Transit: 10:01 PM
Moonset: 4:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:08 AM - 12:38 AM
12:00 AM - 12:00 AM

Minor Periods

2:00 PM - 3:30 PM
3:58 AM - 5:28 AM

Action Rating: 2 out of 5

Frost Advisory issued January 29 at 12:57AM EST until January 29 at 9:00AM EST by NWS Jacksonville FL

Effective: Thu January 29, 2026, 12:57 AM
Expires: Thu January 29, 2026, 9:00 AM

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns, Northern Inland St. Johns, South Central Duval, and Southeast Coastal St. Johns Counties. * WHEN...Until 9 AM EST this morning. * 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 January 29 at 12:57AM EST until January 29 at 9:00AM EST by NWS Jacksonville FL

Effective: Thu January 29, 2026, 12:57 AM
Expires: Thu January 29, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 29. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...Until 9 AM EST this 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 Warning issued January 29 at 12:57AM EST until January 29 at 9:00AM EST by NWS Jacksonville FL

Effective: Thu January 29, 2026, 12:57 AM
Expires: Thu January 29, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...Until 9 AM EST this 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.
Thursday, January 29, 2026

Weather Forecast

Sunny
62.1°F
33.4°F
46.7°F
51%
0 in
0%
0%
6.3 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 10.54 μg/m3
PM10: 11.08 μg/m3
Carbon Monoxide: 240.21 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 4.89 μg/m3
Ozone: 82.92 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:39 AM
Sunset: 6:01 PM
Daylight: 10 hrs 43 mins
Moonrise: 2:30 PM
Moon Transit: 10:01 PM
Moonset: 4:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:08 AM - 12:38 AM
12:00 AM - 12:00 AM

Minor Periods

2:00 PM - 3:30 PM
3:58 AM - 5:28 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Patchy rain nearby
63.5°F
43.3°F
53.7°F
65%
0.04 in
66%
0%
5.8 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 12.36 μg/m3
PM10: 14.64 μg/m3
Carbon Monoxide: 319.33 μg/m3
Nitrogen Dioxide: 10.12 μg/m3
Sulphur Dioxide: 6.33 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:40 AM
Sunset: 6:02 PM
Daylight: 10 hrs 44 mins
Moonrise: 3:38 PM
Moon Transit: 11:05 PM
Moonset: 5:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:13 AM - 1:43 PM
12:00 AM - 12:00 AM

Minor Periods

3:08 PM - 4:38 PM
5:01 AM - 6:31 AM

Action Rating: 2 out of 5

Saturday, January 31, 2026

Weather Forecast

Overcast
52.3°F
30.9°F
47.8°F
68%
0 in
0%
0%
17.7 mph
0.6


Air Quality

AQI: 2 - Moderate
PM2.5: 16.62 μg/m3
PM10: 18.59 μg/m3
Carbon Monoxide: 239.25 μg/m3
Nitrogen Dioxide: 11.27 μg/m3
Sulphur Dioxide: 5 μg/m3
Ozone: 72.88 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:40 AM
Sunset: 6:03 PM
Daylight: 10 hrs 45 mins
Moonrise: 4:49 PM
Moon Transit: 12:00 AM
Moonset: 6:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:15 AM - 2:45 PM

Minor Periods

4:19 PM - 5:49 PM
5:57 AM - 7:27 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Sunny
41.4°F
23.9°F
31.5°F
33%
0 in
0%
0%
17.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 5.66 μg/m3
PM10: 5.71 μg/m3
Carbon Monoxide: 180.9 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 4.89 μg/m3
Ozone: 70.4 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:40 AM
Sunset: 6:04 PM
Daylight: 10 hrs 47 mins
Moonrise: 5:59 PM
Moon Transit: 12:04 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:12 PM - 3:42 PM

Minor Periods

5:29 PM - 6:59 PM
6:42 AM - 8:12 AM

Action Rating: 3 out of 5

Monday, February 2, 2026

Weather Forecast

Sunny
47.2°F
27.5°F
34.6°F
35%
0 in
0%
0%
9.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.26 μg/m3
PM10: 8.37 μg/m3
Carbon Monoxide: 201.6 μg/m3
Nitrogen Dioxide: 6.62 μg/m3
Sulphur Dioxide: 3.87 μg/m3
Ozone: 64.92 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:40 AM
Sunset: 6:05 PM
Daylight: 10 hrs 48 mins
Moonrise: 7:06 PM
Moon Transit: 1:00 AM
Moonset: 7:51 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
2:04 PM - 4:34 PM

Minor Periods

6:36 PM - 8:06 PM
7:21 AM - 8:51 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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