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

73.9°F
Overcast
Overcast
77.1°F
83°F
71%
N 5.4 mph
6.2 mph
80.1°F
66.8°F
0 in
100%
8 mi
1020 mbar
4.8

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 83°F
L: 62°F
Moderate rain
Wed
H: 76°F
L: 64°F
Partly Cloudy
Thu
H: 81°F
L: 68°F
Partly Cloudy
Fri
H: 90°F
L: 67°F
Patchy rain nearby
Sat
H: 82°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 7.15 μg/m3
Carbon Monoxide: 192.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 7:40 PM
Daylight: 12 hrs 15 mins
Moonrise: 11:17 AM
Moon Transit: 6:44 PM
Moonset: 1:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
6:14 PM - 8:44 PM

Minor Periods

10:47 AM - 12:17 AM
12:37 AM - 2:07 AM

Action Rating: 2 out of 5

Rip Current Statement issued March 24 at 3:09AM EDT until March 25 at 3:00AM EDT by NWS Melbourne FL

Effective: Tue March 24, 2026, 3:09 AM
Expires: Wed March 25, 2026, 3:00 AM

* WHAT...Dangerous rip currents and rough surf. * WHERE...Coastal Volusia and Northern Brevard 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.


High Surf Advisory issued March 24 at 2:22AM EDT until March 25 at 2:00PM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 2:22 AM
Expires: Tue March 24, 2026, 3:30 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves up to 6 to 8 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, from 7 AM EDT this morning through late Wednesday night. For the High Surf Advisory, from 2 PM this afternoon to 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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 March 24 at 2:22AM EDT until March 26 at 2:00AM EDT by NWS Jacksonville FL

Effective: Tue March 24, 2026, 2:22 AM
Expires: Tue March 24, 2026, 3:30 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves up to 6 to 8 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, from 7 AM EDT this morning through late Wednesday night. For the High Surf Advisory, from 2 PM this afternoon to 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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 March 24 at 7:54AM EDT by NWS Melbourne FL

Effective: Tue March 24, 2026, 7:54 AM
Expires: Tue March 24, 2026, 9:00 AM

Satellite imagery, traffic cameras, and surface observations indicate patchy dense fog reducing visibility to less than a mile at times is occurring across parts of Lake, Orange, Osceola, and Okeechobee counties. Motorists should be alert for sudden changes in visibility. When encountering fog, slow down, increase following distance, and use low-beam headlights.


Tuesday, March 24, 2026

Weather Forecast

Patchy rain nearby
82.6°F
62.1°F
69.1°F
83%
0.05 in
88%
0%
11.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 6.34 μg/m3
PM10: 7.87 μg/m3
Carbon Monoxide: 187.57 μg/m3
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 88.52 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 7:40 PM
Daylight: 12 hrs 15 mins
Moonrise: 11:17 AM
Moon Transit: 6:44 PM
Moonset: 1:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
6:14 PM - 8:44 PM

Minor Periods

10:47 AM - 12:17 AM
12:37 AM - 2:07 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Moderate rain
75.6°F
63.5°F
69.4°F
82%
0.43 in
82%
0%
10.3 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 7.08 μg/m3
PM10: 9.2 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 106.04 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 7:40 PM
Daylight: 12 hrs 17 mins
Moonrise: 12:20 AM
Moon Transit: 7:47 PM
Moonset: 2:13 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

7:56 AM - 10:26 AM
7:17 PM - 9:47 PM

Minor Periods

11:50 AM - 1:20 PM
1:43 AM - 3:13 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Partly Cloudy
80.6°F
68.4°F
73°F
75%
0 in
0%
0%
8.5 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 7.65 μg/m3
PM10: 10.32 μg/m3
Carbon Monoxide: 162.65 μg/m3
Nitrogen Dioxide: 3.24 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 96.6 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:00 AM
Sunset: 7:41 PM
Daylight: 12 hrs 18 mins
Moonrise: 1:26 PM
Moon Transit: 8:47 PM
Moonset: 3:11 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
8:17 PM - 10:47 PM

Minor Periods

12:56 AM - 2:26 PM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Partly Cloudy
89.9°F
66.9°F
74.2°F
71%
0 in
0%
0%
7.8 mph
2.1


Air Quality

AQI: 1 - Good
PM2.5: 8.54 μg/m3
PM10: 11.43 μg/m3
Carbon Monoxide: 160.78 μg/m3
Nitrogen Dioxide: 6.27 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 88.88 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:41 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:34 PM
Moon Transit: 9:42 PM
Moonset: 4:02 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

9:55 AM - 12:25 AM
9:12 PM - 11:42 PM

Minor Periods

2:04 PM - 3:34 PM
3:32 AM - 5:02 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Patchy rain nearby
82.2°F
64.9°F
70°F
72%
0.03 in
89%
0%
13.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.97 μg/m3
PM10: 7.16 μg/m3
Carbon Monoxide: 191.81 μg/m3
Nitrogen Dioxide: 8.53 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 69.46 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:00 AM
Sunset: 7:42 PM
Daylight: 12 hrs 22 mins
Moonrise: 3:39 PM
Moon Transit: 10:33 PM
Moonset: 4:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

10:49 AM - 1:19 PM
12:00 AM - 12:00 AM

Minor Periods

3:09 PM - 4:39 PM
4:14 AM - 5:44 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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