National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed E 8 G 14 mph
Barometer 30.19 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Sep 6:35 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: A 20 percent chance of showers between 11am and 1pm. Mostly sunny, with a high near 88. Breezy, with a northeast wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 88 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Northeast wind 3 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers between 11am and 1pm. Mostly sunny, with a high near 88. Breezy, with a northeast wind 7 to 15 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 73. Northeast wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 89. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
Mostly sunny, with a high near 89. Light and variable wind becoming east 5 to 10 mph in the morning.
Saturday Night
A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74.
Sunday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Breezy. Chance of precipitation is 70%.
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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:
4:31 am EDT Sep 17, 2026
Forecast Valid:
6am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

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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