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

Current Water Temperature

76.1°F

Measurement Time: Friday, April 17, 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

73°F
Clear
Clear
76.7°F
72.9°F
61%
SSW 5.4 mph
9.7 mph
70.4°F
56.8°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 93°F
L: 64°F
Patchy rain nearby
Sun
H: 91°F
L: 68°F
Partly Cloudy
Mon
H: 77°F
L: 65°F
Sunny
Tue
H: 80°F
L: 61°F
Partly Cloudy
Wed
H: 78°F
L: 62°F

Air Quality

PM2.5: 6.55 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 183.85 μg/m3
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:25 PM
Sunset: 7:56 PM
Daylight: 13 hrs mins
Moonrise: 7:25 AM
Moon Transit: 2:29 PM
Moonset: 9:42 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
1:59 PM - 4:29 PM

Minor Periods

9:12 PM - 10:42 PM
6:55 AM - 8:25 AM

Action Rating: 4 out of 5

Fire Weather Watch issued April 17 at 1:36PM EDT until April 20 at 9:00PM EDT by NWS Jacksonville FL

Effective: Fri April 17, 2026, 1:36 PM
Expires: Sat April 18, 2026, 5:00 AM

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE ACROSS PORTIONS OF INLAND NORTHEAST FL MONDAY AFTERNOON... * AFFECTED AREA...In Florida, Suwannee, Union, Bradford, Gilchrist, Eastern Alachua, Western Hamilton, Western Alachua, Southeastern Columbia and Southwestern Columbia. * TIMING...Monday afternoon and evening. * WINDS...Northeast to around 15 mph with gusts to around 25 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 81. * IMPACTS...Existing or newly ignited wildfires may exhibit erratic fire behavior, spread rapidly and become difficult to contain or suppress.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Saturday, April 18, 2026

Weather Forecast

Sunny
92.8°F
63.9°F
77.2°F
52%
0 in
0%
0%
9.8 mph
2.5


Air Quality

AQI: 1 - Good
PM2.5: 9.24 μg/m3
PM10: 10.72 μg/m3
Carbon Monoxide: 167.93 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 112.96 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:25 PM
Sunset: 7:56 PM
Daylight: 13 hrs mins
Moonrise: 7:25 AM
Moon Transit: 2:29 PM
Moonset: 9:42 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
1:59 PM - 4:29 PM

Minor Periods

9:12 PM - 10:42 PM
6:55 AM - 8:25 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
91.3°F
68.3°F
76.8°F
48%
0.01 in
89%
0%
11.6 mph
2.3


Air Quality

AQI: 1 - Good
PM2.5: 8.6 μg/m3
PM10: 9.89 μg/m3
Carbon Monoxide: 154.45 μg/m3
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 2.71 μg/m3
Ozone: 98.48 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:25 PM
Sunset: 7:57 PM
Daylight: 13 hrs 1 mins
Moonrise: 8:11 AM
Moon Transit: 3:30 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
3:00 PM - 5:30 PM

Minor Periods

10:25 PM - 11:55 PM
7:41 AM - 9:11 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Partly Cloudy
77°F
64.7°F
69.9°F
46%
0 in
0%
0%
14.3 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 8.49 μg/m3
PM10: 11.18 μg/m3
Carbon Monoxide: 161.8 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 114.6 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:25 PM
Sunset: 7:57 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:05 AM
Moon Transit: 4:34 PM
Moonset: 12:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
4:04 PM - 6:34 PM

Minor Periods

12:00 AM - 12:00 AM
8:35 AM - 10:05 AM

Action Rating: 3 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
79.6°F
61.2°F
70°F
48%
0 in
0%
0%
11 mph
2.2


Air Quality

AQI: 1 - Good
PM2.5: 10.24 μg/m3
PM10: 14.95 μg/m3
Carbon Monoxide: 181.7 μg/m3
Nitrogen Dioxide: 8.12 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 104.85 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:25 PM
Sunset: 7:58 PM
Daylight: 13 hrs 5 mins
Moonrise: 10:08 AM
Moon Transit: 5:39 PM
Moonset: 12:06 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
5:09 PM - 7:39 PM

Minor Periods

9:38 AM - 11:08 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Partly Cloudy
78.3°F
61.8°F
68.3°F
57%
0 in
0%
0%
8.9 mph
0


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: 6:52 AM
Sun Transit: 1:25 PM
Sunset: 7:59 PM
Daylight: 13 hrs 6 mins
Moonrise: 11:16 AM
Moon Transit: 6:41 PM
Moonset: 1:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

6:50 AM - 9:20 AM
6:11 PM - 8:41 PM

Minor Periods

10:46 AM - 12:16 AM
12:39 AM - 2:09 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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