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

66°F

19°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.22 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 4 Mar 4:55 pm EST
Extended Forecast for

Saint Simons Island GA

  • Tonight

    Tonight: Areas of fog after 9pm. Otherwise, mostly cloudy, with a low around 55. Light east wind.

    Low: 55 °F

    Areas Fog

  • Thursday

    Thursday: Widespread dense fog before 9am, then patchy dense fog after 10am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 74 °F

    Dense Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, partly cloudy, with a low around 57. Light southeast wind.

    Low: 57 °F

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 74. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Light east wind.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Areas of fog after 9pm. Otherwise, mostly cloudy, with a low around 55. Light east wind.
Thursday
Widespread dense fog before 9am, then patchy dense fog after 10am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming east 5 to 8 mph in the afternoon.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 57. Light southeast wind.
Friday
Partly sunny, with a high near 74. Calm wind becoming east 5 to 9 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 58. Light east wind.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
1:27 pm EST Mar 4, 2026
Forecast Valid:
5pm EST Mar 4, 2026-6pm EDT Mar 11, 2026
 
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