National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

81°F

27°C

Humidity 85%
Wind Speed E 6 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 5:56 am EDT
Extended Forecast for

4 Miles S Saint Augustine Shores FL

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 90. Heat index values as high as 103. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers after 4am. Partly cloudy, with a low around 76. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 90. Heat index values as high as 100. Light north wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 76. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 91. Northeast wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly clear, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 90. Heat index values as high as 103. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers after 4am. Partly cloudy, with a low around 76. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 90. Heat index values as high as 100. Light north wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 76. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 91. Northeast wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly clear, with a low around 76. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 92. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 75. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Saint Augustine Shores FL
 29.76°N 81.32°W
Last Update:
3:26 am EDT Aug 17, 2025
Forecast Valid:
6am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation