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

Current Water Temperature

87.4°F

Measurement Time: Monday, July 6, 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

91°F
Partly cloudy
Partly cloudy
97.7°F
101.4°F
49%
SSE 2.9 mph
3.8 mph
92.8°F
71.6°F
0 in
75%
9 mi
1016 mbar
1

Five Day Weather Forecast

Sunny
Mon
H: 96°F
L: 76°F
Sunny
Tue
H: 101°F
L: 77°F
Sunny
Wed
H: 101°F
L: 78°F
Sunny
Thu
H: 100°F
L: 77°F
Sunny
Fri
H: 101°F
L: 77°F

Air Quality

AQI: 1 - Good
PM2.5: 5.8 μg/m3
PM10: 7.5 μg/m3
Carbon Monoxide: 141 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:31 PM
Sunset: 8:32 PM
Daylight: 14 hrs 1 mins
Moonrise: 12:07 AM
Moon Transit: 1:15 PM
Moonset: 12:32 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
12:45 AM - 3:15 PM

Minor Periods

12:02 AM - 1:32 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Special Marine Warning issued July 6 at 3:29PM EDT until July 6 at 4:30PM EDT by NWS Jacksonville FL

Effective: Mon July 6, 2026, 3:29 PM
Expires: Mon July 6, 2026, 4:30 PM

SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... * Until 430 PM EDT. * At 329 PM EDT, a strong thunderstorm was located near Saint Augustine Beach, or near Saint Augustine, moving northeast at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Dorothy Louise Barge, Nine Mile Reef, Saint Augustine Beach, and Saint Augustine.

Move to safe harbor until hazardous weather passes. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness.


Marine Weather Statement issued July 6 at 4:09PM EDT by NWS Jacksonville FL

Effective: Mon July 6, 2026, 4:09 PM
Expires: Mon July 6, 2026, 5:15 PM

A Marine Weather Statement has been issued for the following areas... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM... At 409 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 19 nm east of Saint Augustine Beach, or 21 nm east of Saint Augustine, moving east 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 this storm passes.
Monday, July 6, 2026

Weather Forecast

Sunny
96.3°F
76.3°F
83.9°F
76%
0.01 in
21%
0%
10.1 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 6.3 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 141.58 μg/m3
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 62.38 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:31 PM
Sunset: 8:32 PM
Daylight: 14 hrs 1 mins
Moonrise: 12:07 AM
Moon Transit: 1:15 PM
Moonset: 12:32 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
12:45 AM - 3:15 PM

Minor Periods

12:02 AM - 1:32 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, July 7, 2026

Weather Forecast

Sunny
101.1°F
76.6°F
87°F
62%
0.02 in
36%
0%
10.3 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 6.12 μg/m3
PM10: 7.47 μg/m3
Carbon Monoxide: 137.92 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 60.92 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:31 PM
Sunset: 8:32 PM
Daylight: 14 hrs mins
Moonrise: 12:36 AM
Moon Transit: 12:00 AM
Moonset: 1:32 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:01 PM - 10:31 PM

Minor Periods

1:02 PM - 2:32 PM
12:06 AM - 1:36 AM

Action Rating: 2 out of 5

Wednesday, July 8, 2026

Weather Forecast

Sunny
101.2°F
78.4°F
88.4°F
54%
0.01 in
36%
0%
13.4 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 5.94 μg/m3
PM10: 7.27 μg/m3
Carbon Monoxide: 128.54 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 73.21 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:31 PM
Sunset: 8:32 PM
Daylight: 14 hrs mins
Moonrise: 1:06 AM
Moon Transit: 7:47 AM
Moonset: 2:37 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
8:51 PM - 11:21 PM

Minor Periods

2:07 PM - 3:37 PM
12:36 AM - 2:06 AM

Action Rating: 3 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
100.4°F
77°F
86.4°F
58%
0.12 in
57%
0%
17 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 6.94 μg/m3
PM10: 8.81 μg/m3
Carbon Monoxide: 124.85 μg/m3
Nitrogen Dioxide: 4.56 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 69.08 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:32 PM
Sunset: 8:32 PM
Daylight: 13 hrs 59 mins
Moonrise: 1:41 AM
Moon Transit: 8:38 AM
Moonset: 3:44 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
12:00 AM - 12:00 AM

Minor Periods

3:14 PM - 4:44 PM
1:11 AM - 2:41 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
101.1°F
76.5°F
87.4°F
55%
0.04 in
57%
0%
8.3 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 9.09 μg/m3
PM10: 10.94 μg/m3
Carbon Monoxide: 172.89 μg/m3
Nitrogen Dioxide: 7.62 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 44.78 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:32 PM
Sunset: 8:31 PM
Daylight: 13 hrs 58 mins
Moonrise: 2:23 AM
Moon Transit: 9:35 AM
Moonset: 4:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:05 AM - 11:35 AM

Minor Periods

4:26 PM - 5:56 PM
1:53 AM - 3:23 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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