National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

50°F

10°C

Humidity 40%
Wind Speed NW 8 mph
Barometer 30.20 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 17 Mar 8:55 pm EDT
Extended Forecast for

Saint Simons GA

Frost Advisory March 18, 03:00am until March 18, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 37. North wind around 8 mph.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 58. North wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. North wind around 8 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 63. North wind around 11 mph, with gusts as high as 17 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 37. North wind around 8 mph.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 58. North wind 8 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. North wind around 8 mph.
Thursday
Sunny, with a high near 63. North wind around 11 mph, with gusts as high as 17 mph.
Thursday Night
Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 78.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
8:17 pm EDT Mar 17, 2026
Forecast Valid:
9pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation