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

Current Water Temperature

84.6°F 29.2°C
Warm Warm & Relaxing
84.6°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Water feels warm and inviting. Safe for extended immersion with virtually no thermal fatigue.

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

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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

74.7°F
Mainly Sunny
Conditions: Mainly Sunny
Humidity: 79%
Feels Like: 79.3°F
Wind: WNW 5 mph
Wind Gusts: 9.4 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 41%
Visibility: 11.9 mi
UV Index: 1.5

Weather Forecast

Overcast
Wed
H: 79°F
L: 66°F
Overcast
Thu
H: 77°F
L: 60°F
Overcast
Fri
H: 72°F
L: 54°F
Overcast
Sat
H: 65°F
L: 47°F
Overcast
Sun
H: 73°F
L: 51°F

Air Quality

EPA Index 2 • Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

PM2.5
10.7 μg/m³
Good
PM10
11.8 μg/m³
Good
Ozone (O3)
66 μg/m³
Photochemical
NO2
7.6 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
209 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 46m daylight
Sunrise 6:47 AM
Solar Noon 12:10 PM
Sunset 5:33 PM
Moon
New • 2%
Moonrise 9:03 AM
Transit 2:05 PM
Moonset 7:07 PM

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
1:35 PM - 4:05 PM

Minor Periods

8:33 AM - 10:03 AM
6:37 PM - 8:07 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 70.9°F
Average Humidity: 80%
Chance of Rain: 10%
Wind: 9.2 mph
UV Index: 4.9

Air Quality

EPA Index 2 • Moderate
PM2.5
9.2 μg/m³
Good
PM10
10.9 μg/m³
Good
Ozone (O3)
71 μg/m³
Photochemical
NO2
8.2 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
170.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 46m daylight
Sunrise 6:47 AM
Solar Noon 12:10 PM
Sunset 5:33 PM
Moon
New • 2%
Moonrise 9:03 AM
Transit 2:05 PM
Moonset 7:07 PM

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
1:35 PM - 4:05 PM

Minor Periods

8:33 AM - 10:03 AM
6:37 PM - 8:07 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 68.5°F
Average Humidity: 78%
Chance of Rain: 3%
Wind: 9.7 mph
UV Index: 4.4

Air Quality

EPA Index 1 • Good
PM2.5
5.2 μg/m³
Good
PM10
6.8 μg/m³
Good
Ozone (O3)
76.5 μg/m³
Photochemical
NO2
3.3 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
140.4 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 45m daylight
Sunrise 6:48 AM
Solar Noon 12:10 PM
Sunset 5:33 PM
Moon
Waxing Crescent • 6%
Moonrise 9:55 AM
Transit 2:57 PM
Moonset 7:59 PM

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
2:27 PM - 4:57 PM

Minor Periods

9:25 AM - 10:55 AM
7:29 PM - 8:59 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 62.1°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 9.7 mph
UV Index: 4.7

Air Quality

EPA Index 1 • Good
PM2.5
4.2 μg/m³
Good
PM10
4.5 μg/m³
Good
Ozone (O3)
76.8 μg/m³
Photochemical
NO2
2.9 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
140.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 44m daylight
Sunrise 6:48 AM
Solar Noon 12:10 PM
Sunset 5:32 PM
Moon
Waxing Crescent • 13%
Moonrise 10:44 AM
Transit 3:47 PM
Moonset 8:54 PM

Best Times for Fishing or Hunting

Major Periods

2:52 AM - 5:22 AM
3:17 PM - 5:47 PM

Minor Periods

10:14 AM - 11:44 AM
8:24 PM - 9:54 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 55°F
Average Humidity: 48%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 5.2

Air Quality

EPA Index 1 • Good
PM2.5
4 μg/m³
Good
PM10
4.4 μg/m³
Good
Ozone (O3)
68.4 μg/m³
Photochemical
NO2
3.3 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
139.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 42m daylight
Sunrise 6:49 AM
Solar Noon 12:10 PM
Sunset 5:32 PM
Moon
Waxing Crescent • 21%
Moonrise 11:26 AM
Transit 4:36 PM
Moonset 9:50 PM

Best Times for Fishing or Hunting

Major Periods

3:42 AM - 6:12 AM
4:06 PM - 6:36 PM

Minor Periods

10:56 AM - 12:26 PM
9:20 PM - 10:50 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 61°F
Average Humidity: 67%
Chance of Rain: 2%
Wind: 11.4 mph
UV Index: 5

Air Quality

EPA Index 1 • Good
PM2.5
3.9 μg/m³
Good
PM10
5.5 μg/m³
Good
Ozone (O3)
77.3 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
138.6 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 41m daylight
Sunrise 6:50 AM
Solar Noon 12:10 PM
Sunset 5:31 PM
Moon
Waxing Crescent • 31%
Moonrise 12:04 PM
Transit 5:22 PM
Moonset 10:47 PM

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
4:52 PM - 7:22 PM

Minor Periods

11:34 AM - 1:04 PM
10:17 PM - 11:47 PM
Action Rating:
Good Action 3/5
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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