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

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

84°F

29°C

Humidity 66%
Wind Speed SE 13 mph
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 25 Jun 7:35 pm EDT
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East wind 5 to 7 mph becoming light and variable after midnight.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 15 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 76. South wind 3 to 8 mph. Winds could gust as high as 15 mph.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 106. West wind 3 to 8 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. South wind 3 to 7 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 8am. Partly sunny and hot, with a high near 96.

    High: 96 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. East wind 5 to 7 mph becoming light and variable after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 76. South wind 3 to 8 mph. Winds could gust as high as 15 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 106. West wind 3 to 8 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. South wind 3 to 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 77.
Monday
A 50 percent chance of showers and thunderstorms after 8am. Partly sunny and hot, with a high near 96.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
2:21 pm EDT Jun 25, 2026
Forecast Valid:
7pm EDT Jun 25, 2026-6pm EDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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