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

45°F

7°C

Humidity 57%
Wind Speed N 13 G 21 mph
Barometer 30.38 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Jan 8:55 am EST
Extended Forecast for

Saint Simons GA

  • Today

    Today: Mostly sunny, with a high near 54. Northeast wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 61. North wind 3 to 6 mph.

    High: 61 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Breezy.

    High: 54 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Widespread frost after 1am. Otherwise, mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Widespread frost before 8am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Frost then
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. Northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 36. North wind around 6 mph.
Tuesday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 61. North wind 3 to 6 mph.
Tuesday Night
Increasing clouds, with a low around 43. Calm wind.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 54. Breezy.
Thursday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 27.
Friday
Widespread frost before 8am. Otherwise, sunny, with a high near 52.
Friday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 33.
Saturday
Areas of frost. Otherwise, mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 54.
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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:
6:11 am EST Jan 12, 2026
Forecast Valid:
9am EST Jan 12, 2026-6pm EST Jan 18, 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