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

Current Water Temperature

86.0°F

Measurement Time: Thursday, June 18, 2026, 10:00 AM EDT

Temperature Locations

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St. Johns River

Station Name: ST JOHNS RVR AT CHRISTOPHER PT NR JACKSONVILLE, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -3 feet

Nearest Address:
6534 Christopher Point Rd W
Jacksonville, FL 32217
Duval County

GPS Coordinates: 30.25288889, -81.6431

Nearby Water Temperatures

St. Johns River, Jacksonville, FL (3.7 mi)
St. Johns River, Jacksonville, FL (4.5 mi)
Pottsburg Creek, Jacksonville, FL (5 mi)
St. Johns River, Jacksonville, FL (5 mi)
St. Johns River, Orange Park, FL (5.8 mi)
Cedar River, Jacksonville, FL (6.1 mi)
Ortega River, Jacksonville, FL (6.3 mi)
St. Johns River, Jacksonville, FL (7.2 mi)
Julington Creek, Jacksonville, FL (8.7 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
St. Johns River, Jacksonville, FL (10.5 mi)
Durbin Creek, Jacksonville, FL (10.9 mi)
Broward River, Jacksonville, FL (13.2 mi)
Dunn Creek, Jacksonville, FL (14.2 mi)
Trout River, Jacksonville, FL (14.4 mi)

Weather for Jacksonville, Florida

Current Weather

91°F
Partly cloudy
Partly cloudy
98°F
114°F
56%
SW 5.8 mph
7.9 mph
97.2°F
77.5°F
0 in
75%
9 mi
1016 mbar
2.4

Five Day Weather Forecast

Sunny
Thu
H: 99°F
L: 79°F
Patchy rain nearby
Fri
H: 82°F
L: 77°F
Moderate rain
Sat
H: 85°F
L: 74°F
Patchy rain nearby
Sun
H: 96°F
L: 72°F
Partly Cloudy
Mon
H: 99°F
L: 75°F

Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 10.4 μg/m3
Carbon Monoxide: 121 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:27 PM
Sunset: 8:31 PM
Daylight: 14 hrs 6 mins
Moonrise: 10:12 AM
Moon Transit: 5:08 PM
Moonset: 12:17 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
4:38 PM - 7:08 PM

Minor Periods

9:42 AM - 11:12 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Heat Advisory issued June 18 at 9:19AM EDT until June 18 at 7:00PM EDT by NWS Jacksonville FL

Effective: Thu June 18, 2026, 9:19 AM
Expires: Thu June 18, 2026, 7:00 PM

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Thursday, June 18, 2026

Weather Forecast

Sunny
98.8°F
78.8°F
85.6°F
72%
0 in
6%
0%
10.5 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 7.27 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 138.04 μg/m3
Nitrogen Dioxide: 5.37 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 57.08 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:27 PM
Sunset: 8:31 PM
Daylight: 14 hrs 6 mins
Moonrise: 10:12 AM
Moon Transit: 5:08 PM
Moonset: 12:17 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
4:38 PM - 7:08 PM

Minor Periods

9:42 AM - 11:12 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Patchy rain nearby
81.5°F
77.3°F
79.1°F
82%
0.12 in
68%
0%
9.6 mph
2.2


Air Quality

AQI: 1 - Good
PM2.5: 7.69 μg/m3
PM10: 9.44 μg/m3
Carbon Monoxide: 137.75 μg/m3
Nitrogen Dioxide: 4.52 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 51.21 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:28 PM
Sunset: 8:31 PM
Daylight: 14 hrs 6 mins
Moonrise: 11:18 AM
Moon Transit: 5:57 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
5:27 PM - 7:57 PM

Minor Periods

10:48 AM - 12:18 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, June 20, 2026

Weather Forecast

Moderate rain
85.4°F
73.8°F
78.5°F
83%
0.58 in
83%
0%
11.6 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 5.62 μg/m3
Carbon Monoxide: 135.42 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 70.5 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:28 PM
Sunset: 8:32 PM
Daylight: 14 hrs 6 mins
Moonrise: 12:21 AM
Moon Transit: 6:43 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
6:13 PM - 8:43 PM

Minor Periods

11:51 AM - 1:21 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Patchy rain nearby
95.7°F
71.6°F
81.1°F
73%
0.15 in
64%
0%
9.4 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 7.01 μg/m3
Carbon Monoxide: 138.51 μg/m3
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 78.75 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

Partly Cloudy
98.8°F
74.8°F
85.6°F
59%
0 in
4%
0%
7.2 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 6.52 μg/m3
PM10: 7.33 μg/m3
Carbon Monoxide: 165.67 μg/m3
Nitrogen Dioxide: 6.04 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 43.67 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

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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