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.

Fair

57°F

14°C

Humidity 63%
Wind Speed NE 15 G 24 mph
Barometer 30.12 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Mar 12:15 am EDT
Extended Forecast for

Saint Simons GA

  • Overnight

    Overnight: Mostly clear, with a low around 52. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 69. East wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Areas of fog after 5am. Otherwise, mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear
    then Areas
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 73. Light north wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    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 62. East wind around 6 mph.

    Low: 62 °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 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 70%.

    High: 77 °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 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 69. East wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
Areas of fog after 5am. Otherwise, mostly clear, with a low around 56. East wind around 5 mph becoming calm in the evening.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 73. Light north wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 62. East wind around 6 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 75. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 70%.
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 41. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly 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 GA
 31.16°N 81.39°W
Last Update:
8:36 pm EDT Mar 12, 2026
Forecast Valid:
12am EDT Mar 13, 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