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.

A Few Clouds

86°F

30°C

Humidity 66%
Wind Speed E 8 G 14 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Sep 2:35 pm EDT
Extended Forecast for

3 Miles S Saint Simons GA

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. East wind around 14 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East wind 5 to 8 mph becoming light and variable after midnight.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. North wind 5 to 8 mph becoming east in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 77. Southeast wind around 6 mph becoming calm after midnight.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 86. East wind around 14 mph.
Tonight
Partly cloudy, with a low around 77. East wind 5 to 8 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 87. North wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 77. Southeast wind around 6 mph becoming calm after midnight.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. North wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 77. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Breezy.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Very windy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Saint Simons GA
 31.14°N 81.37°W
Last Update:
2:21 pm EDT Sep 18, 2026
Forecast Valid:
2pm EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
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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