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

68°F

20°C

Humidity 100%
Wind Speed S 9 mph
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Mar 9:55 pm EDT
Extended Forecast for

Saint Simons Island GA

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind 5 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. South wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 90%.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before 8pm. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South wind 5 to 8 mph.
Tuesday
Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 61. South wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 90%.
Thursday Night
Showers, mainly before 8pm. Low around 50. Chance of precipitation is 80%.
Friday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 58.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 77.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.23°N 81.36°W
Last Update:
8:57 pm EDT Mar 9, 2026
Forecast Valid:
10pm EDT Mar 9, 2026-6pm EDT Mar 16, 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