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

Current Water Temperature

83.5°F

Measurement Time: Friday, June 12, 2026, 6:30 AM EDT

Temperature Locations

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Local Points of Interest

Riverfront Park; Marco Lake

St. Johns River

Station Name: ST JOHNS RIVER BL MARCO LK AT JACKSONVILLE, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
1799 River Rd
Jacksonville, FL 32207
Duval County

GPS Coordinates: 30.30478056, -81.6601

Nearby Water Temperatures

St. Johns River, Jacksonville, FL (1.3 mi)
St. Johns River, Jacksonville, FL (3.7 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Cedar River, Jacksonville, FL (5 mi)
Pottsburg Creek, Jacksonville, FL (5.5 mi)
St. Johns River, Jacksonville, FL (7.9 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
St. Johns River, Jacksonville, FL (8.3 mi)
Ortega River, Jacksonville, FL (8.3 mi)
St. Johns River, Orange Park, FL (8.7 mi)
Broward River, Jacksonville, FL (9.6 mi)
Trout River, Jacksonville, FL (10.8 mi)
Dunn Creek, Jacksonville, FL (11 mi)
Julington Creek, Jacksonville, FL (12.4 mi)
Clapboard Creek, Jacksonville, FL (12.9 mi)

Weather for Jacksonville, Florida

Current Weather

89.1°F
Sunny
Sunny
96.9°F
99.6°F
59%
WNW 4 mph
4.6 mph
90.5°F
74.7°F
0 in
0%
9 mi
1017 mbar
6.9

Five Day Weather Forecast

Sunny
Fri
H: 100°F
L: 76°F
Patchy rain nearby
Sat
H: 99°F
L: 76°F
Moderate rain
Sun
H: 98°F
L: 76°F
Moderate rain
Mon
H: 96°F
L: 74°F
Patchy rain nearby
Tue
H: 93°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 6.9 μg/m3
PM10: 8.5 μg/m3
Carbon Monoxide: 139 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:26 PM
Sunset: 8:29 PM
Daylight: 14 hrs 5 mins
Moonrise: 3:47 AM
Moon Transit: 10:51 AM
Moonset: 6:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:21 AM - 12:51 AM

Minor Periods

5:34 PM - 7:04 PM
3:17 AM - 4:47 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Sunny
100.4°F
75.9°F
86°F
62%
0 in
4%
0%
8.1 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 9 μg/m3
PM10: 10.79 μg/m3
Carbon Monoxide: 152.08 μg/m3
Nitrogen Dioxide: 5.52 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 83.08 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:26 PM
Sunset: 8:29 PM
Daylight: 14 hrs 5 mins
Moonrise: 3:47 AM
Moon Transit: 10:51 AM
Moonset: 6:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:21 AM - 12:51 AM

Minor Periods

5:34 PM - 7:04 PM
3:17 AM - 4:47 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
98.7°F
76.4°F
84.7°F
63%
0.07 in
57%
0%
8.1 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 8.06 μg/m3
PM10: 9.6 μg/m3
Carbon Monoxide: 138.21 μg/m3
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 70.33 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:26 PM
Sunset: 8:30 PM
Daylight: 14 hrs 5 mins
Moonrise: 4:34 AM
Moon Transit: 11:52 AM
Moonset: 7:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
11:22 AM - 1:52 PM

Minor Periods

6:49 PM - 8:19 PM
4:04 AM - 5:34 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Moderate rain
98.1°F
76.2°F
83.9°F
68%
0.3 in
67%
0%
7.4 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 8.67 μg/m3
PM10: 10.05 μg/m3
Carbon Monoxide: 136.08 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 68.71 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:27 PM
Sunset: 8:30 PM
Daylight: 14 hrs 5 mins
Moonrise: 5:29 AM
Moon Transit: 1:00 PM
Moonset: 8:31 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:30 AM - 3:00 PM

Minor Periods

8:01 PM - 9:31 PM
4:59 AM - 6:29 AM

Action Rating: 5 out of 5

Monday, June 15, 2026

Weather Forecast

Moderate rain
96.1°F
74.1°F
80.5°F
78%
0.6 in
77%
0%
10.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 11.11 μg/m3
Carbon Monoxide: 130.15 μg/m3
Nitrogen Dioxide: 3.46 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 61.17 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:27 PM
Sunset: 8:30 PM
Daylight: 14 hrs 6 mins
Moonrise: 6:36 AM
Moon Transit: 2:07 PM
Moonset: 9:36 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

2:13 AM - 4:43 AM
1:37 PM - 4:07 PM

Minor Periods

9:06 PM - 10:36 PM
6:06 AM - 7:36 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
92.8°F
74.1°F
82.1°F
71%
0.16 in
64%
0%
10.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 10.2 μg/m3
PM10: 12.98 μg/m3
Carbon Monoxide: 130.78 μg/m3
Nitrogen Dioxide: 4.8 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 39.56 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:27 PM
Sunset: 8:31 PM
Daylight: 14 hrs 6 mins
Moonrise: 7:47 AM
Moon Transit: 3:12 PM
Moonset: 10:32 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

3:20 AM - 5:50 AM
2:42 PM - 5:12 PM

Minor Periods

10:02 PM - 11:32 PM
7:17 AM - 8:47 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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