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 / 5 meters

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

82.4°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 84%
Feels Like: 87°F
Wind: NNE 7.2 mph
Wind Gusts: 8.2 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 6 mi
UV Index: 5.4

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 84°F
L: 75°F
Moderate rain
Sat
H: 84°F
L: 74°F
Cloudy
Sun
H: 84°F
L: 73°F
Sunny
Mon
H: 87°F
L: 70°F
Patchy rain nearby
Tue
H: 85°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 6.48 μg/m3
PM10: 8.51 μg/m3
Carbon Monoxide: 238.65 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:22 PM
Sunset: 7:34 PM
Daylight: 12 hrs 25 mins
Moonrise: 10:55 PM
Moon Transit: 5:14 AM
Moonset: 12:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
6:24 PM - 8:54 PM

Minor Periods

10:25 PM - 11:55 PM
12:00 AM - 1:30 PM

Action Rating: 3 out of 5

Flood Warning issued September 11 at 8:25PM EDT by NWS Melbourne FL

Effective: Thu September 11, 2025, 8:25 PM
Expires: Fri September 12, 2025, 12:00 PM

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Lake and Volusia Counties. .On the Saint Johns River Near Astor, recent rain and northerly winds over the basin are maintaining levels in Minor flood stage. The river is forecast to remain just below Moderate flood stage into early next week. However, any additional rainfall may cause further increases in the river levels. For the St. Johns River...including Astor...Minor flooding is forecast. Additional information is available at www.weather.gov. The next statement will be issued Friday afternoon at noon EDT. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...St Johns River near Astor. * WHEN...Until further notice. * IMPACTS...At 3.0 feet, Water approaches or may enter lowest homes on or near Wildhog Road and nearby canals. Flooding reaches the parking lot of the Juno Trail Apartments. Flooding on portions of Alligator Road and Holiday Road. Lowest lying yards along Blue Creek are flooded. Roads at Astor Landing Campground and Lake Dexter Boat Ramp begin to flood. Water enters lower homes closest to the river on McPherson Lane. * ADDITIONAL DETAILS... - At 7:30 PM EDT Thursday the stage was 2.9 feet. - Bankfull stage is 2.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM EDT Thursday was 3.0 feet. - Forecast...The river is expected to remain steady above flood stage at 2.9 feet. - Flood stage is 2.3 feet. - http://www.weather.gov/safety/flood


Flood Warning issued September 11 at 8:25PM EDT by NWS Melbourne FL

Effective: Thu September 11, 2025, 8:25 PM
Expires: Fri September 12, 2025, 12:00 PM

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Lake and Volusia Counties. .On the Saint Johns River Near Astor, recent rain and northerly winds over the basin are maintaining levels in Minor flood stage. The river is forecast to remain just below Moderate flood stage into early next week. However, any additional rainfall may cause further increases in the river levels. For the St. Johns River...including Astor...Minor flooding is forecast. Additional information is available at www.weather.gov. The next statement will be issued Friday afternoon at noon EDT. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...St Johns River near Astor. * WHEN...Until further notice. * IMPACTS...At 3.0 feet, Water approaches or may enter lowest homes on or near Wildhog Road and nearby canals. Flooding reaches the parking lot of the Juno Trail Apartments. Flooding on portions of Alligator Road and Holiday Road. Lowest lying yards along Blue Creek are flooded. Roads at Astor Landing Campground and Lake Dexter Boat Ramp begin to flood. Water enters lower homes closest to the river on McPherson Lane. * ADDITIONAL DETAILS... - At 7:30 PM EDT Thursday the stage was 2.9 feet. - Bankfull stage is 2.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM EDT Thursday was 3.0 feet. - Forecast...The river is expected to remain steady above flood stage at 2.9 feet. - Flood stage is 2.3 feet. - http://www.weather.gov/safety/flood


Rip Current Statement issued September 12 at 3:12AM EDT until September 13 at 4:00AM EDT by NWS Melbourne FL

Effective: Fri September 12, 2025, 3:12 AM
Expires: Sat September 13, 2025, 4:00 AM

* WHAT...Dangerous rip currents. * WHERE...Beaches of Volusia, Brevard, Indian River, Saint Lucie, and Martin Counties. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Coastal Flood Advisory issued September 12 at 1:18AM EDT until September 13 at 6:00AM EDT by NWS Jacksonville FL

Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Advisory, until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued September 12 at 1:18AM EDT until September 14 at 11:00PM EDT by NWS Jacksonville FL

Effective: Fri September 12, 2025, 1:18 AM
Expires: Fri September 12, 2025, 5:00 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, minor coastal flooding. * WHERE...Coastal Duval, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Advisory, until 6 AM EDT Saturday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Friday, September 12, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 78.3°F
Average Humidity: 77%
Chance of Rain: 80%
Wind: 8.9 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 10.38 μg/m3
PM10: 12.78 μg/m3
Carbon Monoxide: 267.07 μg/m3
Nitrogen Dioxide: 4.58 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 73.84 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:22 PM
Sunset: 7:34 PM
Daylight: 12 hrs 25 mins
Moonrise: 10:55 PM
Moon Transit: 5:14 AM
Moonset: 12:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
6:24 PM - 8:54 PM

Minor Periods

10:25 PM - 11:55 PM
12:00 AM - 1:30 PM

Action Rating: 3 out of 5

Saturday, September 13, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 78.1°F
Average Humidity: 78%
Chance of Rain: 87%
Wind: 10.3 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 7.87 μg/m3
PM10: 10.5 μg/m3
Carbon Monoxide: 249.38 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 88.16 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:21 PM
Sunset: 7:33 PM
Daylight: 12 hrs 23 mins
Moonrise: 11:49 PM
Moon Transit: 6:14 AM
Moonset: 1:39 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
7:26 PM - 9:56 PM

Minor Periods

12:00 AM - 12:00 AM
1:09 PM - 2:39 PM

Action Rating: 3 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 79°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 8.78 μg/m3
Carbon Monoxide: 252.41 μg/m3
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 96.84 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:21 PM
Sunset: 7:32 PM
Daylight: 12 hrs 21 mins
Moonrise: 12:49 AM
Moon Transit: 7:16 AM
Moonset: 2:45 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
8:28 PM - 10:58 PM

Minor Periods

2:15 PM - 3:45 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 77.7°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 7 μg/m3
PM10: 9.09 μg/m3
Carbon Monoxide: 261.89 μg/m3
Nitrogen Dioxide: 4.11 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 87.84 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:21 PM
Sunset: 7:31 PM
Daylight: 12 hrs 20 mins
Moonrise: 12:50 AM
Moon Transit: 8:17 AM
Moonset: 3:44 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:47 AM - 10:17 AM
9:28 PM - 11:58 PM

Minor Periods

3:14 PM - 4:44 PM
12:20 AM - 1:50 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 77.3°F
Average Humidity: 67%
Chance of Rain: 87%
Wind: 11.4 mph
UV Index: 6

Air Quality

AQI: 1 - Good
PM2.5: 5.09 μg/m3
PM10: 6.06 μg/m3
Carbon Monoxide: 291.3 μg/m3
Nitrogen Dioxide: 7.17 μg/m3
Sulphur Dioxide: 5.32 μg/m3
Ozone: 70.31 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:20 PM
Sunset: 7:29 PM
Daylight: 12 hrs 18 mins
Moonrise: 1:55 AM
Moon Transit: 9:16 AM
Moonset: 4:34 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

4:04 PM - 5:34 PM
1:25 AM - 2:55 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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