Saint Augustine South, Florida Weather
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Click for Rip Current Statement for Saint Augustine South, Florida
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Weather Forecast for Saint Augustine South, Florida : St. Johns County
Issued: 1:26 pm EDT Aug 18, 2025 Latitude: 29.842486 Longitude: -81.3144821 View on Google Maps

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This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
60% chance of thunderstorms on This Afternoon 30% chance of thunderstorms on Tonight 40% chance of thunderstorms on Tuesday 70% chance of thunderstorms on Wednesday 50% chance of thunderstorms on Thursday 70% chance of thunderstorms on Friday 80% chance of thunderstorms on Saturday 70% chance of thunderstorms on Sunday
High: 87°F Low: 78°F High: 89°F High: 90°F High: 91°F High: 91°F High: 89°F High: 89°F
Low: 78°F Low: 76°F Low: 76°F Low: 76°F Low: 76°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
ST AUGUSTINE - (KSGJ)
88°
Feels like 101°F
Mostly Clear
Thunderstorm In Vicinity
as of 2:56 PM EDST
Rel. Humidity: 74%
Dew Point: 79°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
9 MPH
040° Northeast
Cloud Level(s): Few at 2100ft
Current Conditions at
JACKSONVILLE NAS - (KNIP)
88°
Feels like 95°F
Mostly Cloudy
as of 2:53 PM EDST
Rel. Humidity: 62%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
6 MPH
070° East
Cloud Level(s): Scattered at 3500ft, Scattered at 12000ft, Broken at 25000ft
Current Conditions at
CRAIG MUNICIPAL ARPT - (KCRG)
88°
Feels like 97°F
Clear
as of 2:53 PM EDST
Rel. Humidity: 66%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
12 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
JACKSONVILLE CECIL FLD - (KVQQ)
91°
Feels like 102°F
Mostly Cloudy
as of 2:50 PM EDST
Rel. Humidity: 59%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
9 MPH
070° East
Cloud Level(s): Broken at 3500ft
60% chance of thunderstorms This Afternoon This Afternoon... Showers and thunderstorms likely, mainly before 5pm. Mostly sunny, with a high near 87. Northeast wind around 11 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Tonight Tonight... A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. East wind 8 to 11 mph, with gusts as high as 17 mph.
40% chance of thunderstorms Tuesday Tuesday... A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Sunny, with a high near 89. Heat index values as high as 102. Breezy, with a northeast wind 9 to 17 mph, with gusts as high as 26 mph.
30% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly clear, with a low around 78. Northeast wind 8 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
70% chance of thunderstorms Wednesday Wednesday... Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Sunny, with a high near 90. Breezy, with a north wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 76.
50% chance of thunderstorms Thursday Thursday... A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.
30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly clear, with a low around 76. Chance of precipitation is 30%.
70% chance of thunderstorms Friday Friday... A chance of showers, then showers and thunderstorms likely after 8am. Sunny, with a high near 91. Chance of precipitation is 70%.
60% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely before 2am, then a chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
80% chance of thunderstorms Saturday Saturday... Showers and thunderstorms. High near 89. Chance of precipitation is 80%.
80% chance of thunderstorms Saturday Night Saturday Night... Showers and thunderstorms. Low around 76. Chance of precipitation is 80%.
70% chance of thunderstorms Sunday Sunday... Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Current Radar Image


Sun Almanac for Saint Augustine South, Florida
Sunrise: 06:55 AM
Sunset: 8:03 PM
Civil Sunrise:06:30 AM
Civil Sunset: 8:28 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 8:58 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 9:28 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.