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

37°F

3°C

Humidity 52%
Wind Speed NW 9 mph
Barometer 30.18 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 31 Dec 8:55 am EST
Extended Forecast for

Saint Simons Island GA

Frost Advisory January 1, 03:00am until January 1, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Patchy frost before 10am. Otherwise, sunny, with a high near 55. Wind chill values as low as 27 early. West wind around 11 mph, with gusts as high as 17 mph.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, clear, with a low around 35. Wind chill values as low as 28. West wind 7 to 9 mph.

    Low: 35 °F

    Clear then
    Patchy Frost

  • New Year's Day

    New Year's Day: Areas of frost before 9am. Otherwise, sunny, with a high near 63. Wind chill values as low as 28 early. West wind 7 to 9 mph.

    High: 63 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Calm wind becoming southwest around 6 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Patchy frost before 10am. Otherwise, sunny, with a high near 55. Wind chill values as low as 27 early. West wind around 11 mph, with gusts as high as 17 mph.
Tonight
Patchy frost after 3am. Otherwise, clear, with a low around 35. Wind chill values as low as 28. West wind 7 to 9 mph.
New Year's Day
Areas of frost before 9am. Otherwise, sunny, with a high near 63. Wind chill values as low as 28 early. West wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 64. Calm wind becoming southwest around 6 mph in the morning.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 68. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
9:01 am EST Dec 31, 2025
Forecast Valid:
9am EST Dec 31, 2025-6pm EST Jan 6, 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