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

39°F

4°C

Humidity 81%
Wind Speed N 6 mph
Barometer 30.21 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Mar 5:55 am EDT
Extended Forecast for

Saint Simons GA

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

    NOW until 9:00am Wed

    Frost Advisory

  • Today

    High: 60 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 6 to 8 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 65. North wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71. Light and variable wind becoming east 5 to 7 mph in the afternoon.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Today
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 60. North wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 65. North wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 71. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
2:21 am EDT Mar 18, 2026
Forecast Valid:
6am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation