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

Current Water Temperature

87.3°F

Measurement Time: Sunday, June 21, 2026, 8:30 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

88°F
Partly cloudy
Partly cloudy
97.2°F
103.7°F
59%
W 3.6 mph
4.1 mph
90.4°F
77°F
0 in
75%
9 mi
1016 mbar
3.4

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 94°F
L: 73°F
Sunny
Mon
H: 88°F
L: 75°F
Moderate rain
Tue
H: 98°F
L: 75°F
Moderate rain
Wed
H: 98°F
L: 74°F
Patchy rain nearby
Thu
H: 96°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 7.1 μg/m3
Carbon Monoxide: 126 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:28 PM
Sunset: 8:32 PM
Daylight: 14 hrs 6 mins
Moonrise: 1:20 PM
Moon Transit: 7:26 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
6:56 PM - 9:26 PM

Minor Periods

12:50 AM - 2:20 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Sunday, June 21, 2026

Weather Forecast

Patchy rain nearby
94.3°F
72.5°F
81.1°F
75%
0.01 in
20%
0%
5.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.74 μg/m3
PM10: 6.61 μg/m3
Carbon Monoxide: 135 μg/m3
Nitrogen Dioxide: 4.43 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 59.92 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:28 PM
Sunset: 8:32 PM
Daylight: 14 hrs 6 mins
Moonrise: 1:20 PM
Moon Transit: 7:26 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
6:56 PM - 9:26 PM

Minor Periods

12:50 AM - 2:20 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Monday, June 22, 2026

Weather Forecast

Sunny
88°F
74.6°F
80.9°F
67%
0 in
17%
0%
8.7 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 8.06 μg/m3
PM10: 9.82 μg/m3
Carbon Monoxide: 134.83 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 54.17 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:28 PM
Sunset: 8:32 PM
Daylight: 14 hrs 6 mins
Moonrise: 2:17 PM
Moon Transit: 8:09 PM
Moonset: 1:26 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
7:39 PM - 10:09 PM

Minor Periods

1:47 PM - 3:17 PM
12:56 AM - 2:26 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Moderate rain
97.8°F
74.6°F
84.3°F
65%
0.2 in
60%
0%
12.3 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 8.34 μg/m3
PM10: 10.58 μg/m3
Carbon Monoxide: 134.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 63.88 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:28 PM
Sunset: 8:32 PM
Daylight: 14 hrs 6 mins
Moonrise: 3:14 PM
Moon Transit: 8:51 PM
Moonset: 1:54 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
8:21 PM - 10:51 PM

Minor Periods

2:44 PM - 4:14 PM
1:24 AM - 2:54 AM

Action Rating: 3 out of 5

Wednesday, June 24, 2026

Weather Forecast

Moderate rain
97.9°F
73.9°F
82.4°F
72%
0.7 in
72%
0%
8.7 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 8.38 μg/m3
Carbon Monoxide: 208.42 μg/m3
Nitrogen Dioxide: 4.78 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 95.25 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:29 PM
Sunset: 8:32 PM
Daylight: 14 hrs 6 mins
Moonrise: 4:11 PM
Moon Transit: 9:35 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

9:52 AM - 12:22 AM
9:05 PM - 11:35 PM

Minor Periods

3:41 PM - 5:11 PM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Thursday, June 25, 2026

Weather Forecast

Patchy rain nearby
96.2°F
72.7°F
80.8°F
71%
0.02 in
36%
0%
6.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 7.86 μg/m3
PM10: 8.16 μg/m3
Carbon Monoxide: 225.11 μg/m3
Nitrogen Dioxide: 7.8 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:29 PM
Sunset: 8:33 PM
Daylight: 14 hrs 6 mins
Moonrise: 5:08 PM
Moon Transit: 10:21 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

10:37 AM - 1:07 PM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
2:26 AM - 3:56 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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