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.

Overcast

81°F

27°C

Humidity 94%
Wind Speed N 8 mph
Barometer 30.05 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 8 Aug 10:15 am EDT
Extended Forecast for

Saint Simons GA

  • Today

    Today: Showers and thunderstorms, mainly before 5pm. High near 87. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 87 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 75. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 75 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 87. East wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm after 8pm. Low around 75. Southeast wind 5 to 8 mph. Chance of precipitation is 80%.

    Low: 75 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 87. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%.

    High: 87 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 88. Chance of precipitation is 80%.

    High: 88 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 5pm. High near 87. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 75. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and thunderstorms likely before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 87. East wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm after 8pm. Low around 75. Southeast wind 5 to 8 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 87. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 88. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.17°N 81.42°W
Last Update:
1:36 am EDT Aug 8, 2025
Forecast Valid:
10am EDT Aug 8, 2025-6pm EDT Aug 14, 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