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

73°F

23°C

Humidity 89%
Wind Speed SE 5 mph
Barometer 30.16 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 25 Nov 10:35 am EST
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Partly sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog between 10pm and 11pm. Otherwise, partly cloudy, with a low around 60. Southwest wind 3 to 5 mph.

    Low: 60 °F

    Patchy Fog
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 78. Southwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 78 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 63. Northwest wind around 9 mph, with gusts as high as 18 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Patchy fog between 10pm and 11pm. Otherwise, partly cloudy, with a low around 60. Southwest wind 3 to 5 mph.
Wednesday
Increasing clouds, with a high near 78. Southwest wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Thanksgiving Day
Sunny, with a high near 63. Northwest wind around 9 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
10:36 am EST Nov 25, 2025
Forecast Valid:
10am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
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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