Water Temperature of the St. Johns River in Astor, FL
Current Water Temperature
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 ForestStation 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

Five Day Weather Forecast

Tue
H: 69°F
L: 63°F

Wed
H: 69°F
L: 63°F

Thu
H: 75°F
L: 67°F

Fri
H: 78°F
L: 64°F

Sat
H: 78°F
L: 61°F
Air Quality
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 96 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 7:48 PM
Daylight: 12 hrs 39 mins
Moon Transit: 5:23 AM
Moonset: 10:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%
Best Times for Fishing or Hunting
Major Periods
4:53 AM - 7:23 AM6:30 PM - 9:00 PM
Minor Periods
9:54 AM - 11:24 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Rip Current Statement issued April 7 at 2:16AM EDT until April 11 at 2:00AM EDT by NWS Melbourne FL
Effective: Tue April 7, 2026, 2:16 AM
Expires: Thu April 9, 2026, 8:00 PM
* 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 County. * WHEN...For the High Rip Current Risk, through late Friday night. For the High Surf Advisory, from 8 AM this morning to 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.
High Surf Advisory issued April 7 at 2:16AM EDT until April 9 at 8:00PM EDT by NWS Melbourne FL
Effective: Tue April 7, 2026, 2:16 AM
Expires: Thu April 9, 2026, 8:00 PM
* 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 County. * WHEN...For the High Rip Current Risk, through late Friday night. For the High Surf Advisory, from 8 AM this morning to 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.
Flood Watch issued April 7 at 1:58AM EDT until April 7 at 8:00PM EDT by NWS Melbourne FL
Effective: Tue April 7, 2026, 1:58 AM
Expires: Tue April 7, 2026, 8:00 PM
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of east central Florida, including the following counties, Volusia and Brevard. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Slow-moving bands of rain are forecast to increase over the watch area today in response to weak low pressure developing along a stalled front. Mostly likely rainfall tallies of 2 to 4 inches are expected with isolated amounts of 5 to 7 inches. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Wind Advisory issued April 6 at 11:50PM EDT until April 8 at 8:00AM EDT by NWS Melbourne FL
Effective: Mon April 6, 2026, 11:50 PM
Expires: Wed April 8, 2026, 12:00 AM
* WHAT...Northeast winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Volusia and Inland Volusia. * WHEN...From 7 AM Tuesday to 8 AM EDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest gusts are expected at the coast.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
High Surf Advisory issued April 7 at 1:39AM EDT until April 9 at 8:00PM EDT by NWS Jacksonville FL
Effective: Tue April 7, 2026, 1:39 AM
Expires: Tue April 7, 2026, 4:00 PM
* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 7 to 13 feet. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Rip Current Risk, through Thursday evening. For the High Surf Advisory, from 6 AM this morning to 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.
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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.21 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 102.08 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 7:48 PM
Daylight: 12 hrs 39 mins
Moon Transit: 5:23 AM
Moonset: 10:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%
Best Times for Fishing or Hunting
Major Periods
4:53 AM - 7:23 AM6:30 PM - 9:00 PM
Minor Periods
9:54 AM - 11:24 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 102.56 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 7:48 PM
Daylight: 12 hrs 41 mins
Moon Transit: 6:15 AM
Moonset: 11:15 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%
Best Times for Fishing or Hunting
Major Periods
5:45 AM - 8:15 AM7:21 PM - 9:51 PM
Minor Periods
10:45 AM - 12:15 AM12:45 AM - 2:15 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 105.6 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 7:49 PM
Daylight: 12 hrs 43 mins
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 AM8:12 PM - 10:42 PM
Minor Periods
11:41 AM - 1:11 PM1:35 AM - 3:05 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 105.28 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 7:50 PM
Daylight: 12 hrs 44 mins
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 AM9:01 PM - 11:31 PM
Minor Periods
12:39 AM - 2:09 PM2:19 AM - 3:49 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 98.92 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 7:50 PM
Daylight: 12 hrs 46 mins
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 AM12:00 AM - 12:00 AM
Minor Periods
1:38 PM - 3:08 PM2:59 AM - 4:29 AM
Action Rating: 2 out of 5
