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.

Mostly Cloudy

73°F

23°C

Humidity 69%
Wind Speed W 12 G 17 mph
Barometer 29.89 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Mar 4:35 pm EDT
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 48. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Decreasing
    Clouds 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: Areas of fog after 5am. Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear
    then Areas
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 73 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Northwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 48. 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
Areas of fog after 5am. Otherwise, mostly clear, with a low around 53. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 77. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
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
 31.19°N 81.39°W
Last Update:
2:41 pm EDT Mar 12, 2026
Forecast Valid:
4pm 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation