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.

A Few Clouds

68°F

20°C

Humidity 64%
Wind Speed E 10 mph
Barometer 30.12 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Mar 2:35 pm EDT
Extended Forecast for

Saint Simons Island GA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. East wind 8 to 10 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Partly cloudy, with a low around 60. East wind 3 to 5 mph.

    Low: 60 °F

    Mostly Clear
    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. Mostly sunny, with a high near 77. Southeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 77. Breezy. Chance of precipitation is 90%.

    High: 77 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely before 8pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. East wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 54. Light and variable wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
A 40 percent chance of showers after 2am. Partly cloudy, with a low around 60. East wind 3 to 5 mph.
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. Mostly sunny, with a high near 77. Southeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
Showers and possibly a thunderstorm. High near 77. Breezy. Chance of precipitation is 90%.
Monday Night
Showers likely before 8pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
2:21 pm EDT Mar 13, 2026
Forecast Valid:
2pm EDT Mar 13, 2026-6pm EDT Mar 19, 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