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

63°F

17°C

Humidity 83%
Wind Speed NE 16 mph
Barometer 30.08 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Mar 9:15 pm EDT
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 70. East wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Areas of fog after 5am. Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear
    then Areas
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 73 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 59. East wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 70. East wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Areas of fog after 5am. Otherwise, mostly clear, with a low around 53. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 59. East wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 77. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
8:36 pm EDT Mar 12, 2026
Forecast Valid:
9pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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