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.

86°F

30°C

Humidity 70%
Wind Speed SE 9 mph
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 20 Jun 1:35 pm EDT
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 88. Southeast wind 9 to 11 mph. Chance of precipitation is 10%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind 5 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 89. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 10%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. South wind 6 to 9 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 88. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 88. Southeast wind 9 to 11 mph. Chance of precipitation is 10%.
Tonight
Mostly clear, with a low around 76. South wind 5 to 8 mph.
Saturday
A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 89. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 10%.
Saturday Night
Mostly clear, with a low around 78. South wind 6 to 9 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 88. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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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:
1:50 pm EDT Jun 20, 2025
Forecast Valid:
2pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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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