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

Current Water Temperature

84.6°F

Measurement Time: Friday, September 30, 2016, 7:45 PM EDT

Temperature Locations

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Local Points of Interest

Lake George; Lake Dexter; Volusia, FL; Lake George State Forest

St. Johns River

Station Name: ST. JOHNS RIVER AT ASTOR, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 16 feet

Nearest Address:
State Hwy 40
Astor, FL 32102
Volusia County

GPS Coordinates: 29.16692445, -81.5220157

Nearby Water Temperatures

St. Johns River, Deland, FL (13.8 mi)
Blue Springs, Orange City, FL (18.9 mi)
St. Johns River, DeBary, FL (25.7 mi)
Rock Springs, Apopka, FL (28.3 mi)
St. Johns River, Palatka, FL (31.2 mi)
Silver River, Silver Springs, FL (31.5 mi)
Wekiwa Springs, Apopka, FL (31.6 mi)
St. Johns River, Palatka, FL (37.3 mi)
St. Johns River, Hastings, FL (43.8 mi)
Atlantic Ocean, St. Augustine, FL (50.1 mi)
S-405A Canal, Bay Lake, FL (51.4 mi)
Cypress Creek, Orlando, FL (53.6 mi)
Whittenhorse Creek, Horizon West, FL (54.3 mi)
Lake Buena Vista, Orlando, FL (54.8 mi)
St. Johns River, Green Cove Springs, FL (56.7 mi)

Weather for Astor, Florida

Current Weather

80.8°F
Sunny
Sunny
87.5°F
88.6°F
94%
WSW 2.2 mph
3.2 mph
81.3°F
75.6°F
0 in
0%
6 mi
1020 mbar
0.7

Five Day Weather Forecast

Sunny
Thu
H: 101°F
L: 76°F
Sunny
Fri
H: 100°F
L: 76°F
Sunny
Sat
H: 100°F
L: 75°F
Sunny
Sun
H: 99°F
L: 72°F
Patchy rain nearby
Mon
H: 93°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 15.4 μg/m3
PM10: 21.1 μg/m3
Carbon Monoxide: 171 μg/m3
Nitrogen Dioxide: 10.1 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:31 PM
Sunset: 8:29 PM
Daylight: 13 hrs 54 mins
Moonrise: 1:43 AM
Moon Transit: 8:37 AM
Moonset: 3:41 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
1:13 AM - 2:43 AM

Action Rating: 2 out of 5

Heat Advisory issued July 9 at 2:29AM EDT until July 9 at 8:00PM EDT by NWS Tampa Bay Ruskin FL

Effective: Thu July 9, 2026, 2:29 AM
Expires: Thu July 9, 2026, 10:30 AM

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of southwest and west central Florida. * WHEN...From 11 AM this morning to 8 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.
Thursday, July 9, 2026

Weather Forecast

Sunny
100.6°F
76.3°F
85.4°F
67%
0.15 in
57%
0%
9.6 mph
9.7


Air Quality

AQI: 2 - Moderate
PM2.5: 16.48 μg/m3
PM10: 29.55 μg/m3
Carbon Monoxide: 146 μg/m3
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 73.38 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:31 PM
Sunset: 8:29 PM
Daylight: 13 hrs 54 mins
Moonrise: 1:43 AM
Moon Transit: 8:37 AM
Moonset: 3:41 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
1:13 AM - 2:43 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
99.9°F
75.5°F
86.1°F
62%
0 in
17%
0%
6.9 mph
10.9


Air Quality

AQI: 2 - Moderate
PM2.5: 21.84 μg/m3
PM10: 41.18 μg/m3
Carbon Monoxide: 122.5 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 69.29 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:31 PM
Sunset: 8:29 PM
Daylight: 13 hrs 54 mins
Moonrise: 2:25 AM
Moon Transit: 9:34 AM
Moonset: 4:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:04 AM - 11:34 AM

Minor Periods

4:22 PM - 5:52 PM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Sunny
99.5°F
75.2°F
85.4°F
62%
0.09 in
57%
0%
8.1 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 11.52 μg/m3
PM10: 21.14 μg/m3
Carbon Monoxide: 114.54 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 68.46 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:31 PM
Sunset: 8:28 PM
Daylight: 13 hrs 53 mins
Moonrise: 3:15 AM
Moon Transit: 10:37 AM
Moonset: 6:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:34 PM - 7:04 PM
2:45 AM - 4:15 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
98.9°F
72.2°F
81.3°F
73%
2.01 in
71%
0%
9.4 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 8.32 μg/m3
PM10: 13.83 μg/m3
Carbon Monoxide: 117.99 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:31 PM
Sunset: 8:28 PM
Daylight: 13 hrs 52 mins
Moonrise: 4:16 AM
Moon Transit: 11:43 AM
Moonset: 7:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:13 AM - 1:43 PM

Minor Periods

6:42 PM - 8:12 PM
3:46 AM - 5:16 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Patchy rain nearby
93.3°F
71.6°F
79.2°F
78%
0.62 in
79%
0%
6.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.49 μg/m3
PM10: 6.32 μg/m3
Carbon Monoxide: 131.33 μg/m3
Nitrogen Dioxide: 5.19 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 35.89 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:31 PM
Sunset: 8:28 PM
Daylight: 13 hrs 51 mins
Moonrise: 5:24 AM
Moon Transit: 12:50 AM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
12:20 AM - 2:50 PM

Minor Periods

7:43 PM - 9:13 PM
4:54 AM - 6:24 AM

Action Rating: 4 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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