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

73°F

23°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.20 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 5 Mar 1:55 pm EST
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. East wind around 9 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 6 mph becoming calm after midnight.

    Low: 61 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog between 11am and noon. Otherwise, partly sunny, with a high near 74. Calm wind becoming east 5 to 9 mph in the morning.

    High: 74 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 61. East wind around 6 mph becoming calm after midnight.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 74 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

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

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. East wind around 9 mph.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 6 mph becoming calm after midnight.
Friday
Patchy dense fog between 11am and noon. Otherwise, partly sunny, with a high near 74. Calm wind becoming east 5 to 9 mph in the morning.
Friday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 61. East wind around 6 mph becoming calm after midnight.
Saturday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
12:27 pm EST Mar 5, 2026
Forecast Valid:
2pm EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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