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

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 7 Mar 9:35 am EST
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Patchy Fog

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 80 °F

    Areas Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 61. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 60. South wind 3 to 6 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 61. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly cloudy, with a high near 80.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 49.
Friday
A 20 percent chance of showers. Sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.39°W
Last Update:
8:51 am EST Mar 7, 2026
Forecast Valid:
9am EST Mar 7, 2026-6pm EDT Mar 13, 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