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.

Partly Cloudy

79°F

26°C

Humidity 74%
Wind Speed SW 13 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Feb 11:15 am EST
Extended Forecast for

Saint Simons GA

  • Today

    Today: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 79. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 60. Southwest wind 3 to 6 mph.

    Low: 60 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 17 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 54. Southwest wind around 6 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 65. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Widespread frost after 1am. Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 79. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 60. Southwest wind 3 to 6 mph.
Saturday
A 50 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 17 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers. Low around 54. Southwest wind around 6 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Sunday
A 40 percent chance of showers before 1pm. Mostly sunny, with a high near 65. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 34.
Monday
Sunny, with a high near 52.
Monday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 70.
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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:
7:06 am EST Feb 20, 2026
Forecast Valid:
11am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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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