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

55°F
Light rain
Light rain
54.5°F
53.3°F
66%
S 4.3 mph
7.7 mph
52.9°F
43.5°F
0 in
75%
9 mi
1016 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 56°F
L: 43°F
Sunny
Fri
H: 62°F
L: 37°F
Sunny
Sat
H: 71°F
L: 48°F
Sunny
Sun
H: 71°F
L: 49°F
Sunny
Mon
H: 74°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 7.25 μg/m3
PM10: 8.85 μg/m3
Carbon Monoxide: 186.85 μg/m3
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:40 AM
Sunset: 6:08 PM
Daylight: 10 hrs 56 mins
Moonrise: 10:05 PM
Moon Transit: 3:18 AM
Moonset: 9:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
4:19 PM - 6:49 PM

Minor Periods

9:35 PM - 11:05 PM
8:52 AM - 10:22 AM

Action Rating: 2 out of 5

Rip Current Statement issued February 4 at 2:45AM EST until February 5 at 3:00AM EST by NWS Melbourne FL

Effective: Wed February 4, 2026, 2:45 AM
Expires: Thu February 5, 2026, 3:00 AM

* WHAT...Dangerous rip currents. * WHERE...Coastal Volusia, Coastal Indian River, Coastal Saint Lucie, Coastal Martin, Mainland Northern Brevard, Northern Brevard Barrier Islands, Mainland Southern Brevard and Southern Brevard Barrier Islands 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.


Cold Weather Advisory issued February 4 at 11:52PM EST until February 6 at 9:00AM EST by NWS Melbourne FL

Effective: Wed February 4, 2026, 11:52 PM
Expires: Fri February 6, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 26 expected. * WHERE...Coastal Indian River, Coastal Saint Lucie, Coastal Volusia, Inland Indian River, Inland Martin, Inland Northern Brevard, Inland Saint Lucie, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Okeechobee, Orange, Osceola, Seminole, Southern Brevard Barrier Islands, and Southern Lake. * WHEN...From 1 AM to 9 AM EST Friday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Freeze Watch issued February 4 at 12:25PM EST until February 6 at 8:00AM EST by NWS Jacksonville FL

Effective: Wed February 4, 2026, 12:25 PM
Expires: Thu February 5, 2026, 4:00 AM

* WHAT...Sub-freezing temperatures as low as 29 possible. * WHERE...Portions of northeast and north central Florida and southeast Georgia. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

Take steps now to protect tender plants from the cold.


Freeze Warning issued February 5 at 12:05AM EST until February 6 at 9:00AM EST by NWS Jacksonville FL

Effective: Thu February 5, 2026, 12:05 AM
Expires: Thu February 5, 2026, 4:00 PM

* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 3 AM to 9 AM EST Friday. * IMPACTS...Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.

Take steps now to protect tender plants from the cold.


Thursday, February 5, 2026

Weather Forecast

Patchy rain nearby
56.1°F
42.8°F
51.5°F
77%
0.12 in
88%
0%
11.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.98 μg/m3
PM10: 8.73 μg/m3
Carbon Monoxide: 202.97 μg/m3
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 82.52 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:40 AM
Sunset: 6:08 PM
Daylight: 10 hrs 56 mins
Moonrise: 10:05 PM
Moon Transit: 3:18 AM
Moonset: 9:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
4:19 PM - 6:49 PM

Minor Periods

9:35 PM - 11:05 PM
8:52 AM - 10:22 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Sunny
61.5°F
36.7°F
46.6°F
55%
0 in
0%
0%
8.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 8.79 μg/m3
PM10: 8.97 μg/m3
Carbon Monoxide: 189.65 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 3.94 μg/m3
Ozone: 81.24 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:40 AM
Sunset: 6:09 PM
Daylight: 10 hrs 57 mins
Moonrise: 11:02 PM
Moon Transit: 4:01 AM
Moonset: 9:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
5:02 PM - 7:32 PM

Minor Periods

12:00 AM - 12:00 AM
9:20 AM - 10:50 AM

Action Rating: 2 out of 5

Saturday, February 7, 2026

Weather Forecast

Sunny
71.2°F
48.2°F
56.2°F
63%
0 in
0%
0%
8.3 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 178.17 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 3.87 μg/m3
Ozone: 83.88 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:40 AM
Sunset: 6:10 PM
Daylight: 10 hrs 59 mins
Moonrise: 12:02 AM
Moon Transit: 4:43 AM
Moonset: 10:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
5:44 PM - 8:14 PM

Minor Periods

9:50 AM - 11:20 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Sunday, February 8, 2026

Weather Forecast

Sunny
71.4°F
49.3°F
58.2°F
61%
0 in
0%
0%
8.1 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 6.83 μg/m3
PM10: 8.59 μg/m3
Carbon Monoxide: 182.28 μg/m3
Nitrogen Dioxide: 4.49 μg/m3
Sulphur Dioxide: 2.68 μg/m3
Ozone: 90.44 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:40 AM
Sunset: 6:11 PM
Daylight: 11 hrs mins
Moonrise: 12:58 AM
Moon Transit: 5:26 AM
Moonset: 10:51 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
6:30 PM - 9:00 PM

Minor Periods

10:21 AM - 11:51 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Monday, February 9, 2026

Weather Forecast

Sunny
74°F
48.9°F
57.8°F
66%
0 in
0%
0%
7.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 9.67 μg/m3
Carbon Monoxide: 204.83 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 3.68 μg/m3
Ozone: 80.77 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:40 AM
Sunset: 6:11 PM
Daylight: 11 hrs 2 mins
Moonrise: 12:54 AM
Moon Transit: 6:12 AM
Moonset: 11:26 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
7:15 PM - 9:45 PM

Minor Periods

10:56 AM - 12:26 AM
12:24 AM - 1:54 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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