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

72°F

22°C

Humidity 83%
Wind Speed S 9 G 16 mph
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 28 Apr 5:55 pm EDT
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Southeast wind 7 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 87 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 67. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Northwest wind around 9 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Breezy. Chance of precipitation is 80%.

    High: 77 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Southeast wind 7 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 67. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Northwest wind around 9 mph becoming north in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Breezy. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 58. Chance of precipitation is 80%.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 71.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
2:22 pm EDT Apr 28, 2026
Forecast Valid:
6pm EDT Apr 28, 2026-6pm EDT May 5, 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