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

69.1°F
Partly cloudy
Partly cloudy
69.1°F
63°F
75%
NE 8.3 mph
14.2 mph
63°F
58°F
0 in
75%
8 mi
1022 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 73°F
L: 62°F
Cloudy
Fri
H: 75°F
L: 64°F
Partly Cloudy
Sat
H: 77°F
L: 60°F
Sunny
Sun
H: 81°F
L: 61°F
Sunny
Mon
H: 83°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 6.45 μg/m3
PM10: 8.75 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 108 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:27 PM
Sunset: 7:49 PM
Daylight: 12 hrs 43 mins
Moonrise: 2:05 AM
Moon Transit: 7:06 AM
Moonset: 12:11 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
8:12 PM - 10:42 PM

Minor Periods

11:41 AM - 1:11 PM
1:35 AM - 3:05 AM

Action Rating: 3 out of 5

High Surf Advisory issued April 7 at 10:10PM EDT until April 9 at 8:00PM EDT by NWS Melbourne FL

Effective: Tue April 7, 2026, 10:10 PM
Expires: Thu April 9, 2026, 5:00 AM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 9 to 12 feet expected in the surf zone. * WHERE...Coastal Volusia, Coastal Brevard, Coastal Indian River, Coastal Saint Lucie, and Coastal Martin Counties. * WHEN...For the High Rip Current Risk, through late Friday night. For the High Surf Advisory, through 8 PM EDT Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. 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.


Rip Current Statement issued April 7 at 10:10PM EDT until April 11 at 2:00AM EDT by NWS Melbourne FL

Effective: Tue April 7, 2026, 10:10 PM
Expires: Thu April 9, 2026, 5:00 AM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 9 to 12 feet expected in the surf zone. * WHERE...Coastal Volusia, Coastal Brevard, Coastal Indian River, Coastal Saint Lucie, and Coastal Martin Counties. * WHEN...For the High Rip Current Risk, through late Friday night. For the High Surf Advisory, through 8 PM EDT Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. 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.


Rip Current Statement issued April 9 at 1:16AM EDT until April 13 at 2:00AM EDT by NWS Melbourne FL

Effective: Thu April 9, 2026, 1:16 AM
Expires: Fri April 10, 2026, 5:00 AM

* WHAT...For the High Surf Advisory, large breaking waves of 6 to 10 feet in the surf zone. For the High Rip Current Risk, 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...For the High Surf Advisory, until 8 PM EDT Friday. For the High Rip Current Risk, through late Sunday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. 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 April 9 at 1:16AM EDT until April 10 at 8:00PM EDT by NWS Melbourne FL

Effective: Thu April 9, 2026, 1:16 AM
Expires: Fri April 10, 2026, 5:00 AM

* WHAT...For the High Surf Advisory, large breaking waves of 6 to 10 feet in the surf zone. For the High Rip Current Risk, 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...For the High Surf Advisory, until 8 PM EDT Friday. For the High Rip Current Risk, through late Sunday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. 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.


Wind Advisory issued April 9 at 12:45AM EDT until April 9 at 5:00AM EDT by NWS Melbourne FL

Effective: Thu April 9, 2026, 12:45 AM
Expires: Thu April 9, 2026, 5:00 AM

* WHAT...Northeast winds 10 to 15 mph with gusts up to 30 mph. * WHERE...Inland Volusia. * WHEN...Until 5 AM EDT early this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Thursday, April 9, 2026

Weather Forecast

Partly Cloudy
73.2°F
62.1°F
67.8°F
76%
0 in
0%
0%
13 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 6.92 μg/m3
PM10: 9.26 μg/m3
Carbon Monoxide: 144.25 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 106.44 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:27 PM
Sunset: 7:49 PM
Daylight: 12 hrs 43 mins
Moonrise: 2:05 AM
Moon Transit: 7:06 AM
Moonset: 12:11 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
8:12 PM - 10:42 PM

Minor Periods

11:41 AM - 1:11 PM
1:35 AM - 3:05 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Cloudy
75.4°F
63.5°F
69.7°F
64%
0 in
0%
0%
10.5 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 7.7 μg/m3
PM10: 10.5 μg/m3
Carbon Monoxide: 125.65 μg/m3
Nitrogen Dioxide: 2.21 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 103.32 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:27 PM
Sunset: 7:50 PM
Daylight: 12 hrs 44 mins
Moonrise: 2:49 AM
Moon Transit: 7:57 AM
Moonset: 1:09 PM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
9:01 PM - 11:31 PM

Minor Periods

12:39 AM - 2:09 PM
2:19 AM - 3:49 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Partly Cloudy
77.2°F
60.1°F
69.4°F
68%
0 in
0%
0%
11 mph
2.1


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 10.61 μg/m3
Carbon Monoxide: 128.53 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 106.84 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 1:27 PM
Sunset: 7:50 PM
Daylight: 12 hrs 46 mins
Moonrise: 3:29 AM
Moon Transit: 8:45 AM
Moonset: 2:08 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
12:00 AM - 12:00 AM

Minor Periods

1:38 PM - 3:08 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Sunny
80.7°F
60.6°F
70.5°F
62%
0 in
0%
0%
10.5 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 11.76 μg/m3
Carbon Monoxide: 136.94 μg/m3
Nitrogen Dioxide: 3.28 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 98.04 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:26 PM
Sunset: 7:51 PM
Daylight: 12 hrs 48 mins
Moonrise: 4:04 AM
Moon Transit: 9:33 AM
Moonset: 3:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:03 AM - 11:33 AM

Minor Periods

2:38 PM - 4:08 PM
3:34 AM - 5:04 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Sunny
83.1°F
60.8°F
69.1°F
67%
0 in
0%
0%
9.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.17 μg/m3
PM10: 10.22 μg/m3
Carbon Monoxide: 131.5 μg/m3
Nitrogen Dioxide: 3.63 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 86.46 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:26 PM
Sunset: 7:51 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:37 AM
Moon Transit: 10:19 AM
Moonset: 4:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:49 AM - 12:19 AM

Minor Periods

3:38 PM - 5:08 PM
4:07 AM - 5:37 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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