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.

Thunderstorm in Vicinity

86°F

30°C

Humidity 84%
Wind Speed S 10 mph
Barometer 29.98 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 13 Jul 6:35 pm EDT
Extended Forecast for

2 Miles S Saint Simons GA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 78. Southeast wind 7 to 9 mph becoming southwest after midnight.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 108. Northwest wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. East wind 5 to 9 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 88. Heat index values as high as 101. East wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 78. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 79. Chance of precipitation is 30%.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 78. Southeast wind 7 to 9 mph becoming southwest after midnight.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 108. Northwest wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. East wind 5 to 9 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 88. Heat index values as high as 101. East wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 78. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Saturday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Saint Simons GA
 31.14°N 81.39°W
Last Update:
6:51 pm EDT Jul 13, 2025
Forecast Valid:
6pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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