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 NW 8 mph
Barometer 30.15 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Mar 9:35 am EDT
Extended Forecast for

Saint Simons GA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 84. West wind around 9 mph becoming south in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind 5 to 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 61. South wind 3 to 6 mph.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 84. West wind around 9 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a low around 62. South wind 5 to 9 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 61. South wind 3 to 6 mph.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 54.
Friday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 57.
Sunday
A 30 percent chance of showers. Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.17°N 81.42°W
Last Update:
9:47 am EDT Mar 9, 2026
Forecast Valid:
10am EDT Mar 9, 2026-6pm EDT Mar 15, 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