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

68°F

20°C

Humidity 100%
Wind Speed SW 13 G 18 mph
Barometer 29.92 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 12 Mar 5:55 am EDT
Extended Forecast for

Saint Simons GA

  • Today

    Today: Showers likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then a chance of showers after 3pm. High near 76. Breezy, with a southwest wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Breezy, with a north wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 69. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Light north wind becoming east 5 to 10 mph in the morning.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Breezy.

    High: 76 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
Showers likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then a chance of showers after 3pm. High near 76. Breezy, with a southwest wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Partly cloudy, with a low around 51. Breezy, with a north wind 13 to 15 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 69. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 72. Light north wind becoming east 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 62.
Sunday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Breezy.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
3:26 am EDT Mar 12, 2026
Forecast Valid:
6am EDT Mar 12, 2026-6pm EDT Mar 18, 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