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

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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

70.9°F
Fog
Conditions: Fog
Humidity: 97%
Feels Like: 76.5°F
Wind: E 3.8 mph
Wind Gusts: 19.3 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 0 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 85°F
L: 71°F
Sunny
Thu
H: 87°F
L: 69°F
Sunny
Fri
H: 87°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 13.5 μg/m3
Carbon Monoxide: 116 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:09 AM
Sunset: 5:38 PM
Daylight: 10 hrs 56 mins
Moonrise: 2:15 AM
Moon Transit: 8:37 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:24 PM - 3:54 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Flood Warning issued November 3 at 9:33PM EST by NWS Melbourne FL

Effective: Tue November 3, 2026, 9:33 PM
Expires: Wed November 4, 2026, 11:15 AM

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Volusia and Lake Counties. .Heavy rainfall that has occurred upstream will maintain river levels within Moderate flood stage through this weekend as water works north through the basin. For the St. Johns River...including Astor...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...St Johns River near Astor. * WHEN...Until further notice. * IMPACTS...At 3.5 feet, Canals have overflowed into yards. Homes on or near Wildhog and Bonnet roads become inaccessible with several inches of water inside homes along the river and canals. Docks at Astor Bridge marina and throughout Astor are completely submerged. Bartram Rd and Holiday Circle are inaccessible with yards completely submerged. Clair Street is inaccessible. Roads flooded in South Moon Fish Camp, docks and yards at condominiums on Juno Trail and water breaches the sea wall at Blair's Jungle Den. * ADDITIONAL DETAILS... - At 8:30 PM EST Tuesday the stage was 3.4 feet. - Bankfull stage is 2.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM EST Tuesday was 3.4 feet. - Forecast...The river is expected to remain steady above flood stage at 3.2 feet. - Flood stage is 2.3 feet. - http://www.weather.gov/safety/flood


Flood Warning issued November 3 at 9:27PM EST by NWS Melbourne FL

Effective: Tue November 3, 2026, 9:27 PM
Expires: Wed November 4, 2026, 11:15 AM

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Deland affecting Volusia and Lake Counties. .Heavy rainfall has caused the St. Johns River near Deland to rise into Minor Flood Stage. The River is forecast to climb through Minor flood stage through this weekend. For the St. Johns River...including Deland...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...St Johns River near Deland. * WHEN...Until further notice. * IMPACTS...At 4.5 feet, Water moves into yards and approaches buildings around Hontoon Island. * ADDITIONAL DETAILS... - At 8:30 PM EST Tuesday the stage was 4.0 feet. - Bankfull stage is 3.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM EST Tuesday was 4.0 feet. - Forecast...The river is expected to remain steady above flood stage at 4.0 feet. - Flood stage is 4.0 feet. - http://www.weather.gov/safety/flood


Coastal Flood Advisory issued November 3 at 2:03PM EST until November 5 at 4:00AM EST by NWS Jacksonville FL

Effective: Tue November 3, 2026, 2:03 PM
Expires: Wed November 4, 2026, 5:00 AM

* WHAT...Minor flooding during times of high tide. * WHERE...St Johns River Basin. * WHEN...Until 4 AM EST Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.


Coastal Flood Advisory issued November 4 at 1:38AM EST until November 6 at 4:00AM EST by NWS Jacksonville FL

Effective: Wed November 4, 2026, 1:38 AM
Expires: Wed November 4, 2026, 3:00 PM

* WHAT...Minor coastal flooding. * WHERE...St Johns River Basin. * WHEN...Until 4 AM EST Friday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.


Wednesday, November 4, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 75.8°F
Average Humidity: 79%
Chance of Rain: 33%
Wind: 8.7 mph
UV Index: 5.3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:09 AM
Sunset: 5:38 PM
Daylight: 10 hrs 56 mins
Moonrise: 2:15 AM
Moon Transit: 8:37 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:24 PM - 3:54 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Thursday, November 5, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 75.7°F
Average Humidity: 75%
Chance of Rain: 17%
Wind: 5.8 mph
UV Index: 5.5

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:09 AM
Sunset: 5:37 PM
Daylight: 10 hrs 55 mins
Moonrise: 3:13 AM
Moon Transit: 9:21 AM
Moonset: 3:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
12:00 AM - 12:00 AM

Minor Periods

2:53 PM - 4:23 PM
2:43 AM - 4:13 AM

Action Rating: 2 out of 5

Friday, November 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 75.5°F
Average Humidity: 78%
Chance of Rain: 57%
Wind: 3.6 mph
UV Index: 5.8

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:09 AM
Sunset: 5:36 PM
Daylight: 10 hrs 53 mins
Moonrise: 4:12 AM
Moon Transit: 10:05 AM
Moonset: 3:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:35 AM - 12:05 AM

Minor Periods

3:23 PM - 4:53 PM
3:42 AM - 5:12 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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