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.

Mostly Cloudy

81°F

27°C

Humidity 84%
Wind Speed S 13 mph
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 27 May 5:35 am EDT
Extended Forecast for

Saint Simons GA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 75. South wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Heat index values as high as 101. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 75. South wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 75. Chance of precipitation is 80%.

    Low: 75 °F

    Showers

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 9 to 14 mph, with gusts as high as 18 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 75. South wind 6 to 10 mph, with gusts as high as 16 mph.
Thursday
A chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Heat index values as high as 101. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 75. South wind 3 to 6 mph. Chance of precipitation is 60%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. West wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 75. Chance of precipitation is 80%.
Saturday
A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 74. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Breezy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
2:21 am EDT May 27, 2026
Forecast Valid:
5am EDT May 27, 2026-6pm EDT Jun 2, 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