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

66.9°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 97%
Feels Like: 66.9°F
Wind: NNW 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Mon
H: 79°F
L: 66°F
Cloudy
Tue
H: 85°F
L: 72°F
Sunny
Wed
H: 87°F
L: 68°F
Sunny
Thu
H: 82°F
L: 63°F
Sunny
Fri
H: 81°F
L: 63°F

Air Quality

PM2.5: 3.25 μg/m3
PM10: 3.35 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 1:10 PM
Sunset: 6:51 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:42 AM
Moon Transit: 12:32 AM
Moonset: 6:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
12:02 AM - 2:32 PM

Minor Periods

5:47 PM - 7:17 PM
6:12 AM - 7:42 AM

Action Rating: 4 out of 5

Rip Current Statement issued October 19 at 1:59AM EDT until October 21 at 4:00AM EDT by NWS Melbourne FL

Effective: Sun October 19, 2025, 1:59 AM
Expires: Tue October 21, 2025, 4:00 AM

* WHAT...Dangerous rip currents. * WHERE...All east central Florida beaches. * WHEN...Through late Monday night. * 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.


Flood Warning issued October 19 at 8:41PM EDT by NWS Melbourne FL

Effective: Sun October 19, 2025, 8:41 PM
Expires: Mon October 20, 2025, 10:00 AM

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Volusia and Lake Counties. .The St Johns River at Astor remains in Moderate Flood Stage. The river fluctuated slightly higher this evening as storms moved over Lake George. However, the water level is returning back closer to the ongoing trends, and a slow decline to around 3 feet, or just within Moderate Flood Stage, is forecast through the work week. For the St. Johns River...including Astor...Moderate flooding is forecast. Additional information is available at www.weather.gov. The next statement will be issued Monday morning at 1000 AM EDT. * WHAT...Moderate flooding is occurring and moderate 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 Sunday the stage was 3.1 feet. - Bankfull stage is 2.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM EDT Sunday was 3.3 feet. - Forecast...The river is expected to remain steady above flood stage at 3.1 feet. - Flood stage is 2.3 feet. - http://www.weather.gov/safety/flood


Coastal Flood Advisory issued October 19 at 1:48PM EDT until October 20 at 5:00AM EDT by NWS Jacksonville FL

Effective: Sun October 19, 2025, 1:48 PM
Expires: Mon October 20, 2025, 4:00 AM

* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Flagler County. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Monday. For the High Rip Current Risk, through late tonight. * 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.


Coastal Flood Advisory issued October 19 at 1:48PM EDT until October 20 at 5:00AM EDT by NWS Jacksonville FL

Effective: Sun October 19, 2025, 1:48 PM
Expires: Mon October 20, 2025, 4:00 AM

* WHAT...Minor coastal flooding. * WHERE...Inland Flagler, Eastern Clay, Eastern Putnam and Western St. Johns Counties. * WHEN...Until 5 AM EDT Monday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

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.


Rip Current Statement issued October 19 at 1:48PM EDT until October 20 at 4:00AM EDT by NWS Jacksonville FL

Effective: Sun October 19, 2025, 1:48 PM
Expires: Mon October 20, 2025, 4:00 AM

* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Flagler County. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Monday. For the High Rip Current Risk, through late tonight. * 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.


Special Weather Statement issued October 20 at 2:21AM EDT by NWS Jacksonville FL

Effective: Mon October 20, 2025, 2:21 AM
Expires: Mon October 20, 2025, 5:00 AM

Areas of dense fog will continue through sunrise across inland Northeast Florida early this morning with local visibilities around one quarter mile or less, along both the I-10 and I-75 corridors. Visibilities will slowly improve after sunrise this morning. Please slow down and use extra caution when traveling this morning.


Special Weather Statement issued October 20 at 12:19AM EDT by NWS Jacksonville FL

Effective: Mon October 20, 2025, 12:19 AM
Expires: Mon October 20, 2025, 4:00 AM

Patchy dense fog with local visibilities less than one quarter of a mile will be possible across inland Northeast Florida, mainly along the I-75 corridor. Please use extra caution when traveling early this morning. Conditions should improve towards sunrise as low level winds slowly increase.


Rip Current Statement issued October 20 at 12:06AM EDT until October 20 at 8:00PM EDT by NWS Jacksonville FL

Effective: Mon October 20, 2025, 12:06 AM
Expires: Mon October 20, 2025, 8:00 PM

* WHAT...Dangerous rip currents. * WHERE...Coastal Flagler County. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

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.


Monday, October 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.2°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 4.96 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 138.45 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 81.24 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 1:10 PM
Sunset: 6:51 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:42 AM
Moon Transit: 12:32 AM
Moonset: 6:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
12:02 AM - 2:32 PM

Minor Periods

5:47 PM - 7:17 PM
6:12 AM - 7:42 AM

Action Rating: 4 out of 5

Tuesday, October 21, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 76.9°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 6.99 μg/m3
PM10: 8.83 μg/m3
Carbon Monoxide: 138.93 μg/m3
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 86.68 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 1:10 PM
Sunset: 6:50 PM
Daylight: 11 hrs 19 mins
Moonrise: 7:36 AM
Moon Transit: 1:13 PM
Moonset: 6:46 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
12:43 AM - 3:13 PM

Minor Periods

6:16 PM - 7:46 PM
7:06 AM - 8:36 AM

Action Rating: 4 out of 5

Wednesday, October 22, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 76.5°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 5.4 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 9.21 μg/m3
PM10: 10.29 μg/m3
Carbon Monoxide: 163.77 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 2.66 μg/m3
Ozone: 85.96 μg/m3

Astronomical

Sunrise: 7:32 AM
Sun Transit: 1:10 PM
Sunset: 6:49 PM
Daylight: 11 hrs 17 mins
Moonrise: 8:32 AM
Moon Transit: 1:57 PM
Moonset: 7:17 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
1:27 PM - 3:57 PM

Minor Periods

6:47 PM - 8:17 PM
8:02 AM - 9:32 AM

Action Rating: 4 out of 5

Thursday, October 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.5°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 10.76 μg/m3
PM10: 11.28 μg/m3
Carbon Monoxide: 216.31 μg/m3
Nitrogen Dioxide: 10.98 μg/m3
Sulphur Dioxide: 4.11 μg/m3
Ozone: 82.31 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 1:10 PM
Sunset: 6:48 PM
Daylight: 11 hrs 15 mins
Moonrise: 9:28 AM
Moon Transit: 2:42 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
2:12 PM - 4:42 PM

Minor Periods

7:24 PM - 8:54 PM
8:58 AM - 10:28 AM

Action Rating: 3 out of 5

Friday, October 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.2°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 1:10 PM
Sunset: 6:47 PM
Daylight: 11 hrs 14 mins
Moonrise: 10:25 AM
Moon Transit: 3:31 PM
Moonset: 8:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

3:46 AM - 6:16 AM
3:01 PM - 5:31 PM

Minor Periods

8:05 PM - 9:35 PM
9:55 AM - 11:25 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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