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

66°F

19°C

Humidity 64%
Wind Speed SE 10 mph
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 Feb 11:35 am EST
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 71. South wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 70. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 54. Calm wind. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. North wind 3 to 8 mph. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Sunny, with a high near 71.

    High: 71 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 71. South wind 11 to 14 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph.
Friday
Showers, with thunderstorms also possible after 4pm. High near 70. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 54. Calm wind. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. North wind 3 to 8 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 71.
Monday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 51.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
7:07 am EST Feb 26, 2026
Forecast Valid:
12pm EST Feb 26, 2026-6pm EST Mar 4, 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