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.

Mostly Cloudy

82°F

28°C

Humidity 66%
Wind Speed NE 12 mph
Barometer 30.24 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Sep 8:35 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Mostly sunny, with a high near 86. Breezy, with a northeast wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 86 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Northeast wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 11am and 3pm. Mostly sunny, with a high near 87. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. East wind 5 to 8 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Northeast wind 6 to 10 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • 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 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 86. Breezy, with a northeast wind 10 to 17 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 75. Northeast wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday
A slight chance of showers between 11am and 3pm. Mostly sunny, with a high near 87. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 73. East wind 5 to 8 mph.
Friday
Sunny, with a high near 88. Northeast wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 73.
Saturday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly 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 87. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
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 87. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.39°W
Last Update:
8:01 am EDT Sep 16, 2026
Forecast Valid:
8am EDT Sep 16, 2026-6pm EDT Sep 22, 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