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

Current Water Temperature

89.2°F

Measurement Time: Sunday, July 12, 2026, 2:30 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

79°F
Overcast
Overcast
83.2°F
88.3°F
88%
SW 12.8 mph
15.3 mph
81.9°F
74°F
0 in
100%
9 mi
1019 mbar
0.2

Five Day Weather Forecast

Sunny
Sun
H: 96°F
L: 76°F
Partly Cloudy
Mon
H: 95°F
L: 76°F
Patchy rain nearby
Tue
H: 93°F
L: 76°F
Sunny
Wed
H: 98°F
L: 77°F
Sunny
Thu
H: 100°F
L: 78°F

Air Quality

AQI: 2 - Moderate
PM2.5: 9.6 μg/m3
PM10: 14.6 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:32 PM
Sunset: 8:31 PM
Daylight: 13 hrs 57 mins
Moonrise: 4:13 AM
Moon Transit: 11:44 AM
Moonset: 7:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:14 AM - 1:44 PM

Minor Periods

6:45 PM - 8:15 PM
3:43 AM - 5:13 AM

Action Rating: 3 out of 5

Heat Advisory issued July 12 at 12:12AM EDT until July 12 at 7:00PM EDT by NWS Jacksonville FL

Effective: Sun July 12, 2026, 12:12 AM
Expires: Sun July 12, 2026, 7:00 PM

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast Florida and southeast Georgia. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued July 12 at 12:12AM EDT until July 12 at 7:00PM EDT by NWS Jacksonville FL

Effective: Sun July 12, 2026, 12:12 AM
Expires: Sun July 12, 2026, 7:00 PM

* WHAT...Heat index values up to 110 expected. * WHERE...In Florida, Baker, Bradford, and Union Counties. In Georgia, Brantley, Northeastern Charlton, Pierce, Southern Ware, Wayne, and Western Charlton Counties. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Sunday, July 12, 2026

Weather Forecast

Sunny
96.4°F
76.1°F
83.6°F
77%
0 in
17%
0%
13.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 8.9 μg/m3
PM10: 14.48 μg/m3
Carbon Monoxide: 120.83 μg/m3
Nitrogen Dioxide: 3.59 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 60.25 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:32 PM
Sunset: 8:31 PM
Daylight: 13 hrs 57 mins
Moonrise: 4:13 AM
Moon Transit: 11:44 AM
Moonset: 7:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:14 AM - 1:44 PM

Minor Periods

6:45 PM - 8:15 PM
3:43 AM - 5:13 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Partly Cloudy
94.5°F
75.7°F
82.4°F
67%
0.06 in
57%
0%
16.1 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 8.57 μg/m3
PM10: 14.02 μg/m3
Carbon Monoxide: 124.21 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 53.25 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:32 PM
Sunset: 8:31 PM
Daylight: 13 hrs 56 mins
Moonrise: 5:22 AM
Moon Transit: 12:51 AM
Moonset: 8:16 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
12:21 AM - 2:51 PM

Minor Periods

7:46 PM - 9:16 PM
4:52 AM - 6:22 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Patchy rain nearby
92.6°F
76.3°F
83°F
65%
0.06 in
57%
0%
8.5 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 10.65 μg/m3
PM10: 19.29 μg/m3
Carbon Monoxide: 130.96 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 58.38 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:32 PM
Sunset: 8:30 PM
Daylight: 13 hrs 55 mins
Moonrise: 6:36 AM
Moon Transit: 1:55 PM
Moonset: 9:07 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
1:25 PM - 3:55 PM

Minor Periods

8:37 PM - 10:07 PM
6:06 AM - 7:36 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
98.4°F
77°F
86.7°F
53%
0 in
4%
0%
9.8 mph
10.4


Air Quality

AQI: 2 - Moderate
PM2.5: 17.8 μg/m3
PM10: 32.73 μg/m3
Carbon Monoxide: 137.97 μg/m3
Nitrogen Dioxide: 4.88 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 58.63 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:32 PM
Sunset: 8:30 PM
Daylight: 13 hrs 54 mins
Moonrise: 7:49 AM
Moon Transit: 2:53 PM
Moonset: 9:49 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
2:23 PM - 4:53 PM

Minor Periods

9:19 PM - 10:49 PM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
99.7°F
78°F
88.1°F
49%
0.01 in
17%
0%
11.2 mph
10.4


Air Quality

AQI: 2 - Moderate
PM2.5: 19.08 μg/m3
PM10: 29.32 μg/m3
Carbon Monoxide: 128 μg/m3
Nitrogen Dioxide: 5.79 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 33.44 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:32 PM
Sunset: 8:30 PM
Daylight: 13 hrs 53 mins
Moonrise: 8:59 AM
Moon Transit: 3:46 PM
Moonset: 10:26 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:00 AM - 6:30 AM
3:16 PM - 5:46 PM

Minor Periods

9:56 PM - 11:26 PM
8:29 AM - 9:59 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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