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.

Fair

93°F

34°C

Humidity 50%
Wind Speed SW 9 G 16 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 6 Jul 1:35 pm EDT
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 106. South wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 78. South wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind 9 to 14 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 80. Southwest wind 8 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. West wind 8 to 10 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 106. South wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 78. South wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind 9 to 14 mph.
Tuesday Night
A chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 80. Southwest wind 8 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Wednesday
Sunny and hot, with a high near 98. West wind 8 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
12:21 pm EDT Jul 6, 2026
Forecast Valid:
1pm EDT Jul 6, 2026-6pm EDT Jul 12, 2026
 
Forecast Discussion
 
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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