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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint Augustine South FL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 91. Heat index values as high as 100. East wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 16 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Light southeast wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. East wind 5 to 10 mph becoming light southeast after midnight. Winds could gust as high as 16 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 90. Light east wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 91. Heat index values as high as 100. East wind 6 to 13 mph, with gusts as high as 20 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 16 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Light southeast wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. East wind 5 to 10 mph becoming light southeast after midnight. Winds could gust as high as 16 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 90. Light east wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine South FL
 29.83°N 81.34°W
Last Update:
10:46 am EDT Jun 21, 2025
Forecast Valid:
10am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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