National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

72°F

22°C

Humidity 88%
Wind Speed S 13 G 20 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Mar 6:55 pm EDT
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 65. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. High near 77. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Chance
    T-storms then
    Heavy Rain

  • Thursday Night

    Thursday Night: A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 51. Breezy, with a northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 68. Northeast wind around 11 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Northeast wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 65. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. High near 77. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 51. Breezy, with a northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 68. Northeast wind around 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 57. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 62.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
3:01 pm EDT Mar 11, 2026
Forecast Valid:
7pm EDT Mar 11, 2026-6pm EDT Mar 18, 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