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 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 27 Feb 8:35 pm EST
Extended Forecast for

Saint Simons Island GA

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers between 7am and 8am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 64. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers and
    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52. Light and variable wind.
Saturday
A slight chance of showers between 7am and 8am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 64. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 49. Calm wind.
Sunday
Mostly sunny, with a high near 68. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49. Calm wind.
Monday
Mostly sunny, with a high near 66.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 74.
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 81.36°W
Last Update:
7:11 pm EST Feb 27, 2026
Forecast Valid:
8pm EST Feb 27, 2026-6pm EST Mar 6, 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