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.

Partly Cloudy

59°F

15°C

Humidity 88%
Wind Speed SW 9 mph
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Mar 4:55 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Sunny, with a high near 84. West wind 6 to 9 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. West wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Increasing clouds, with a low around 56. Southwest wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 17 mph.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 63. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. West wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 59. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 84. West wind 7 to 10 mph, with gusts as high as 17 mph.
Monday Night
A 30 percent chance of showers before 2am. Increasing clouds, with a low around 56. Southwest wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 17 mph.
Tuesday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 63. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers. Cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 71. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
4:06 am EDT Mar 22, 2026
Forecast Valid:
5am EDT Mar 22, 2026-6pm EDT Mar 28, 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