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

63°F

17°C

Humidity 100%
Wind Speed SE 7 mph
Barometer 30.18 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 9 Jan 8:55 pm EST
Extended Forecast for

Saint Simons Island GA

  • Tonight

    Tonight: Patchy dense fog after 1am. Otherwise, cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Cloudy then
    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 74 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Increasing clouds, with a low around 54. South wind 3 to 6 mph.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. North wind around 8 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Patchy dense fog after 1am. Otherwise, cloudy, with a low around 59. Light south wind.
Saturday
Patchy dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 54. South wind 3 to 6 mph.
Sunday
Mostly cloudy, with a high near 66. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 37. North wind around 8 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 42.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
7:56 pm EST Jan 9, 2026
Forecast Valid:
9pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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