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

Current Water Temperature

84.9°F

Measurement Time: Wednesday, August 5, 2026, 3:30 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

82°F
Sunny
Sunny
87.6°F
88.1°F
75%
SE 4 mph
6.3 mph
82°F
73.3°F
0 in
0%
5 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 93°F
L: 75°F
Sunny
Thu
H: 94°F
L: 78°F
Patchy rain nearby
Fri
H: 93°F
L: 78°F
Sunny
Sat
H: 95°F
L: 79°F
Sunny
Sun
H: 99°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 10.4 μg/m3
PM10: 12.9 μg/m3
Carbon Monoxide: 144 μg/m3
Nitrogen Dioxide: 8 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:32 PM
Sunset: 8:17 PM
Daylight: 13 hrs 29 mins
Moonrise: 12:41 AM
Moon Transit: 6:33 AM
Moonset: 1:33 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
7:38 PM - 10:08 PM

Minor Periods

1:03 PM - 2:33 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Special Weather Statement issued August 5 at 4:04PM EDT by NWS Jacksonville FL

Effective: Wed August 5, 2026, 4:04 PM
Expires: Wed August 5, 2026, 4:45 PM

At 404 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Middleburg to near Interlachen. Movement was north at 20 mph. HAZARD...Wind gusts up to 50 mph, excessive cloud-to-ground lightning, and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Excessive cloud-to-ground lightning is occurring. Minor flooding due to heavy rainfall is possible. Locations impacted include... Interlachen, Keystone Heights, Middleburg, Melrose, George's Lake, Oakleaf Plantation, Lake Geneva, Florahome, Camp Blanding, and Melrose Landing.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


Special Weather Statement issued August 5 at 4:01PM EDT by NWS Jacksonville FL

Effective: Wed August 5, 2026, 4:01 PM
Expires: Wed August 5, 2026, 4:45 PM

At 401 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 12 miles northwest of Taylor to near St. George. Movement was northeast at 15 mph. HAZARD...Wind gusts up to 50 mph, excessive cloud-to-ground lightning, and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Excessive cloud-to-ground lightning is occurring. Minor flooding due to heavy rainfall is possible. Locations impacted include... Hilliard, Folkston, Callahan, Stephen Foster State Park, Homeland, and St. George.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
Wednesday, August 5, 2026

Weather Forecast

Sunny
93°F
74.7°F
82°F
78%
0 in
9%
0%
11.2 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 9.74 μg/m3
PM10: 13.85 μg/m3
Carbon Monoxide: 138.83 μg/m3
Nitrogen Dioxide: 5.13 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 75.46 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:32 PM
Sunset: 8:17 PM
Daylight: 13 hrs 29 mins
Moonrise: 12:41 AM
Moon Transit: 6:33 AM
Moonset: 1:33 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
7:38 PM - 10:08 PM

Minor Periods

1:03 PM - 2:33 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
94.4°F
77.7°F
84.5°F
67%
0.08 in
57%
0%
12.3 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 6.52 μg/m3
PM10: 8.76 μg/m3
Carbon Monoxide: 128.17 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 56.33 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:32 PM
Sunset: 8:16 PM
Daylight: 13 hrs 28 mins
Moonrise: 12:20 AM
Moon Transit: 7:26 AM
Moonset: 2:41 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:56 AM - 9:26 AM
8:34 PM - 11:04 PM

Minor Periods

2:11 PM - 3:41 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Friday, August 7, 2026

Weather Forecast

Patchy rain nearby
92.9°F
77.6°F
84.4°F
68%
0.05 in
57%
0%
11.2 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 5.64 μg/m3
PM10: 8.65 μg/m3
Carbon Monoxide: 115.13 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 48.46 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:32 PM
Sunset: 8:16 PM
Daylight: 13 hrs 26 mins
Moonrise: 1:05 AM
Moon Transit: 8:24 AM
Moonset: 3:51 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:54 AM - 10:24 AM
12:00 AM - 12:00 AM

Minor Periods

3:21 PM - 4:51 PM
12:35 AM - 2:05 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
95.4°F
78.6°F
85.1°F
67%
0.08 in
57%
0%
8.9 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 5.68 μg/m3
PM10: 7.1 μg/m3
Carbon Monoxide: 127.03 μg/m3
Nitrogen Dioxide: 5.96 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 63.5 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:32 PM
Sunset: 8:15 PM
Daylight: 13 hrs 25 mins
Moonrise: 1:59 AM
Moon Transit: 9:27 AM
Moonset: 4:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:57 AM - 11:27 AM
12:00 AM - 12:00 AM

Minor Periods

4:29 PM - 5:59 PM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
99.3°F
77.7°F
86.8°F
63%
0 in
17%
0%
12.3 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 6.88 μg/m3
Carbon Monoxide: 145.22 μg/m3
Nitrogen Dioxide: 7.28 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 54.22 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:32 PM
Sunset: 8:14 PM
Daylight: 13 hrs 23 mins
Moonrise: 3:02 AM
Moon Transit: 10:32 AM
Moonset: 6:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:02 AM - 12:32 AM

Minor Periods

5:31 PM - 7:01 PM
2:32 AM - 4:02 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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