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

57°F

14°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 30.18 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Dec 5:55 am EST
Extended Forecast for

Saint Simons Island GA

  • Christmas Day

    Christmas Day: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the morning.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Light west wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72. West wind 3 to 7 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

Detailed Forecast

Christmas Day
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 53. Light west wind.
Saturday
Mostly sunny, with a high near 72. West wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73. Breezy.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 38. Breezy.
Tuesday
Mostly sunny, with a high near 52. Breezy.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
12:26 am EST Dec 25, 2025
Forecast Valid:
6am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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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