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.

Mostly Cloudy

70°F

21°C

Humidity 83%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 7 Jan 5:55 pm EST
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 55. South wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Widespread dense fog before noon, then patchy dense fog after 4pm. Otherwise, mostly cloudy, with a high near 71. Calm wind becoming east 5 to 8 mph in the morning.

    High: 71 °F

    Dense Fog

  • Thursday Night

    Thursday Night: Areas of fog. Otherwise, mostly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Areas Fog

  • Friday

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

    High: 73 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. Southeast wind 3 to 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 55. South wind around 6 mph becoming calm in the evening.
Thursday
Widespread dense fog before noon, then patchy dense fog after 4pm. Otherwise, mostly cloudy, with a high near 71. Calm wind becoming east 5 to 8 mph in the morning.
Thursday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening.
Friday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 56. Southeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 65.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
4:56 pm EST Jan 7, 2026
Forecast Valid:
6pm EST Jan 7, 2026-6pm EST Jan 14, 2026
 
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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