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

Current Water Temperature

81.1°F

Measurement Time: Monday, May 18, 2026, 9:30 PM EDT

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

75°F
Clear
Clear
79°F
77.6°F
84%
ESE 4.9 mph
7.8 mph
73.6°F
70°F
0 in
0%
9 mi
1023 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 90°F
L: 73°F
Partly Cloudy
Wed
H: 92°F
L: 71°F
Sunny
Thu
H: 93°F
L: 71°F
Patchy rain nearby
Fri
H: 93°F
L: 72°F
Patchy rain nearby
Sat
H: 94°F
L: 73°F

Air Quality

PM2.5: 13.85 μg/m3
PM10: 20.85 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:23 PM
Sunset: 8:16 PM
Daylight: 13 hrs 46 mins
Moonrise: 8:59 AM
Moon Transit: 4:28 PM
Moonset: 11:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
3:58 PM - 6:28 PM

Minor Periods

12:00 AM - 12:00 AM
8:29 AM - 9:59 AM

Action Rating: 2 out of 5

Rip Current Statement issued May 17 at 11:28PM EDT until May 20 at 5:00AM EDT by NWS Jacksonville FL

Effective: Sun May 17, 2026, 11:28 PM
Expires: Tue May 19, 2026, 5:00 AM

* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...Through late Tuesday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Tuesday, May 19, 2026

Weather Forecast

Sunny
90°F
72.7°F
79.8°F
68%
0 in
0%
0%
11.4 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 13.42 μg/m3
PM10: 20.25 μg/m3
Carbon Monoxide: 142.49 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 89.12 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:23 PM
Sunset: 8:16 PM
Daylight: 13 hrs 46 mins
Moonrise: 8:59 AM
Moon Transit: 4:28 PM
Moonset: 11:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
3:58 PM - 6:28 PM

Minor Periods

12:00 AM - 12:00 AM
8:29 AM - 9:59 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Partly Cloudy
91.5°F
71°F
79.8°F
66%
0 in
0%
0%
11.9 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 8.57 μg/m3
PM10: 12.29 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 6 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 56.84 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:23 PM
Sunset: 8:17 PM
Daylight: 13 hrs 47 mins
Moonrise: 10:11 AM
Moon Transit: 5:30 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
5:00 PM - 7:30 PM

Minor Periods

9:41 AM - 11:11 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
93.4°F
70.8°F
80.5°F
65%
0 in
0%
0%
13.2 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 11.12 μg/m3
Carbon Monoxide: 137.84 μg/m3
Nitrogen Dioxide: 4.69 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 59.56 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:23 PM
Sunset: 8:18 PM
Daylight: 13 hrs 48 mins
Moonrise: 11:21 AM
Moon Transit: 6:26 PM
Moonset: 12:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

6:38 AM - 9:08 AM
5:56 PM - 8:26 PM

Minor Periods

10:51 AM - 12:21 AM
12:13 AM - 1:43 AM

Action Rating: 4 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
92.6°F
72.4°F
80.7°F
65%
0.04 in
88%
0%
10.5 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.03 μg/m3
PM10: 8.56 μg/m3
Carbon Monoxide: 129.17 μg/m3
Nitrogen Dioxide: 5.78 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 51.77 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:23 PM
Sunset: 8:18 PM
Daylight: 13 hrs 49 mins
Moonrise: 12:28 AM
Moon Transit: 7:17 PM
Moonset: 1:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
6:47 PM - 9:17 PM

Minor Periods

11:58 AM - 1:28 PM
12:53 AM - 2:23 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
94°F
73°F
80.4°F
69%
0.02 in
87%
0%
11 mph
6


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: 6:29 AM
Sun Transit: 1:23 PM
Sunset: 8:19 PM
Daylight: 13 hrs 50 mins
Moonrise: 1:30 PM
Moon Transit: 8:03 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
7:33 PM - 10:03 PM

Minor Periods

1:00 PM - 2:30 PM
1:28 AM - 2:58 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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