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

66°F

19°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 8 Mar 3:15 am EDT
Extended Forecast for

Saint Simons GA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 65. South wind around 7 mph.

    Low: 65 °F

    Areas Fog

  • Sunday

    Sunday: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 77. South wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

    High: 77 °F

    Areas Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 78. West wind 3 to 8 mph.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 62. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 65. South wind around 7 mph.
Sunday
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 77. South wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 78. West wind 3 to 8 mph.
Monday Night
A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 62. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Thursday
A 50 percent chance of showers. Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 73.
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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:
12:26 am EST Mar 8, 2026
Forecast Valid:
3am EDT Mar 8, 2026-6pm EDT Mar 14, 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