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

46°F

8°C

Humidity 82%
Wind Speed W 9 mph
Barometer 29.97 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 2 Jan 6:15 am EST
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Increasing clouds, with a high near 65. West wind 3 to 7 mph.

    High: 65 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind becoming southwest around 5 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 69. South wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Patchy fog between 1am and 4am. Low around 47. Southwest wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 47 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 60. North wind 6 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 65. West wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 50. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 69. South wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Patchy fog between 1am and 4am. Low around 47. Southwest wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 60. North wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
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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:
3:17 am EST Jan 2, 2026
Forecast Valid:
6am EST Jan 2, 2026-6pm EST Jan 8, 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