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

Current Water Temperature

88.9°F

Measurement Time: Wednesday, July 29, 2026, 7:30 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

80.6°F
Cloudy
Cloudy
86.8°F
83°F
89%
WSW 6.5 mph
10.6 mph
78.4°F
72.3°F
0 in
75%
10 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 98°F
L: 77°F
Sunny
Fri
H: 100°F
L: 76°F
Sunny
Sat
H: 96°F
L: 78°F
Sunny
Sun
H: 94°F
L: 76°F
Sunny
Mon
H: 93°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 16.4 μg/m3
PM10: 17.9 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:33 PM
Sunset: 8:22 PM
Daylight: 13 hrs 37 mins
Moonrise: 9:12 PM
Moon Transit: 2:04 AM
Moonset: 7:33 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
3:05 PM - 5:35 PM

Minor Periods

8:42 PM - 10:12 PM
7:03 AM - 8:33 AM

Action Rating: 5 out of 5

Special Weather Statement issued July 29 at 8:11PM EDT by NWS Jacksonville FL

Effective: Wed July 29, 2026, 8:11 PM
Expires: Wed July 29, 2026, 8:45 PM

At 811 PM EDT, Doppler radar was tracking a strong thunderstorm near Picolata, or near Green Cove Springs, moving southeast at 25 mph. HAZARD...Wind gusts around 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Fruit Cove, World Golf Village, Picolata, and Bakersville.

If outdoors, consider seeking shelter inside a building. A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for northeastern Florida.


Marine Weather Statement issued July 29 at 7:23PM EDT by NWS Jacksonville FL

Effective: Wed July 29, 2026, 7:23 PM
Expires: Wed July 29, 2026, 9:00 PM

The areas affected include... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... At 723 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots and small hail. These thunderstorms were located along a line extending from 56 nm south of R2 Tower to 17 nm east of Jacksonville Beach, moving southeast at 20 knots.

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. Intense lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.


Marine Weather Statement issued July 29 at 7:44PM EDT by NWS Jacksonville FL

Effective: Wed July 29, 2026, 7:44 PM
Expires: Wed July 29, 2026, 8:45 PM

The areas affected include... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... At 744 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 11 nm north of Amelia City to 12 nm east of Talbot Island, moving northeast at 10 knots.

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass.


Severe Thunderstorm Watch issued July 29 at 2:44PM EDT until July 29 at 10:00PM EDT by NWS Jacksonville FL

Effective: Wed July 29, 2026, 2:44 PM
Expires: Wed July 29, 2026, 10:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 532 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20 NM COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20 NM COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM


Severe Thunderstorm Watch issued July 29 at 8:02PM EDT until July 29 at 10:00PM EDT by NWS Jacksonville FL

Effective: Wed July 29, 2026, 8:02 PM
Expires: Wed July 29, 2026, 10:00 PM

SEVERE THUNDERSTORM WATCH 532 REMAINS VALID UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20 NM COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20 NM COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM


Thursday, July 30, 2026

Weather Forecast

Sunny
98.1°F
77.4°F
84.5°F
70%
0.06 in
57%
0%
12.1 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 14.56 μg/m3
PM10: 15.31 μg/m3
Carbon Monoxide: 138.25 μg/m3
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 99.67 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:33 PM
Sunset: 8:22 PM
Daylight: 13 hrs 37 mins
Moonrise: 9:12 PM
Moon Transit: 2:04 AM
Moonset: 7:33 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
3:05 PM - 5:35 PM

Minor Periods

8:42 PM - 10:12 PM
7:03 AM - 8:33 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
99.9°F
75.8°F
84.5°F
67%
0.08 in
57%
0%
8.7 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 10.82 μg/m3
PM10: 11.33 μg/m3
Carbon Monoxide: 137.96 μg/m3
Nitrogen Dioxide: 5.33 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 101.17 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:33 PM
Sunset: 8:21 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:42 PM
Moon Transit: 2:48 AM
Moonset: 8:32 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
3:49 PM - 6:19 PM

Minor Periods

9:12 PM - 10:42 PM
8:02 AM - 9:32 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
96.4°F
77.8°F
84.7°F
66%
0.3 in
65%
0%
8.7 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 6.88 μg/m3
PM10: 7.24 μg/m3
Carbon Monoxide: 124 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 91.42 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:33 PM
Sunset: 8:20 PM
Daylight: 13 hrs 35 mins
Moonrise: 10:10 PM
Moon Transit: 3:32 AM
Moonset: 9:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
12:00 AM - 12:00 AM

Minor Periods

9:40 PM - 11:10 PM
8:59 AM - 10:29 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
94.2°F
76.2°F
84.5°F
63%
0 in
17%
0%
12.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.85 μg/m3
PM10: 5.64 μg/m3
Carbon Monoxide: 110.95 μg/m3
Nitrogen Dioxide: 3.34 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 59.63 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:32 PM
Sunset: 8:20 PM
Daylight: 13 hrs 33 mins
Moonrise: 10:39 PM
Moon Transit: 6:50 PM
Moonset: 10:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

6:20 PM - 8:50 PM
6:20 PM - 8:50 PM

Minor Periods

10:09 PM - 11:39 PM
9:57 AM - 11:27 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
92.8°F
77.5°F
83°F
66%
0.02 in
36%
0%
11.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 2.62 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 139.56 μg/m3
Nitrogen Dioxide: 4.42 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 50.89 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:32 PM
Sunset: 8:19 PM
Daylight: 13 hrs 32 mins
Moonrise: 11:08 PM
Moon Transit: 12:00 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:59 PM - 8:29 PM

Minor Periods

12:00 AM - 12:00 AM
10:56 AM - 12:26 AM

Action Rating: 3 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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