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

68°F

20°C

Humidity 88%
Wind Speed S 12 mph
Barometer 30.07 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Jan 4:55 pm EST
Extended Forecast for

Saint Simons Island GA

  • Tonight

    Tonight: Increasing clouds, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers before 9am. Mostly cloudy, with a temperature falling to around 57 by 5pm. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 66 °F⇓

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. North wind around 9 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Wind chill values as low as 30 early. Northeast wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 1am. Otherwise, partly cloudy, with a low around 36. Light north wind.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. Southwest wind around 7 mph.
Sunday
A 20 percent chance of showers before 9am. Mostly cloudy, with a temperature falling to around 57 by 5pm. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 36. North wind around 9 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 54. Wind chill values as low as 30 early. Northeast wind 7 to 10 mph, with gusts as high as 17 mph.
Monday Night
Patchy frost after 1am. Otherwise, partly cloudy, with a low around 36. Light north wind.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 60.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 40.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 31.
Friday
Patchy frost. Otherwise, sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.39°W
Last Update:
12:26 pm EST Jan 10, 2026
Forecast Valid:
5pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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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