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.

Light Rain Fog/Mist

66°F

19°C

Humidity 88%
Wind Speed W 10 G 18 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 3.00 mi
Last update 12 Mar 2:15 pm EDT
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 77. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 49. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 70. East wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Breezy.

    High: 78 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 77. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 49. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 70. East wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 74. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 59.
Sunday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Breezy.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 62.
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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:
2:12 pm EDT Mar 12, 2026
Forecast Valid:
2pm EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation