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.

Partly Cloudy

68°F

20°C

Humidity 100%
Wind Speed W 5 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Mar 3:35 am EDT
Extended Forecast for

Saint Simons GA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. Light southwest wind.

    Low: 62 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 77. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. South wind around 7 mph.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. Light southwest wind.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 77. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 63. South wind around 6 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. South wind around 7 mph.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 55.
Friday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 60.
Sunday
A 30 percent chance of showers. Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
1:26 am EDT Mar 9, 2026
Forecast Valid:
3am 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