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 88%
Wind Speed SW 6 mph
Barometer 30.01 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Dec 2:55 am EST
Extended Forecast for

Saint Simons GA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. West wind 3 to 5 mph.

    Low: 58 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 74. West wind 5 to 7 mph.

    High: 74 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Dense
    Fog

  • Sunday

    Sunday: Widespread dense fog before 9am. Otherwise, partly sunny, with a high near 72. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 72 °F

    Dense Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

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

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. West wind 3 to 5 mph.
Saturday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 74. West wind 5 to 7 mph.
Saturday Night
Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Sunday
Widespread dense fog before 9am. Otherwise, partly sunny, with a high near 72. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. Light and variable wind.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 33.
New Year's Day
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
2:21 am EST Dec 27, 2025
Forecast Valid:
3am EST Dec 27, 2025-6pm EST Jan 2, 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