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

86°F

30°C

Humidity 79%
Wind Speed E 14 G 21 mph
Barometer 30.01 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 15 Jul 12:35 pm EDT
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 102. East wind 11 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 88. Heat index values as high as 102. Breezy, with a south wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. South wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 79 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 89. Southeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79.

    Low: 79 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 102. East wind 11 to 14 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 88. Heat index values as high as 102. Breezy, with a south wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. South wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 89. Southeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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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:
12:46 pm EDT Jul 15, 2025
Forecast Valid:
12pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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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