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

43°F

6°C

Humidity 39%
Wind Speed NW 13 G 20 mph
Barometer 30.03 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 30 Dec 3:15 am EST
Extended Forecast for

Saint Simons Island GA

Freeze Watch December 31, 01:00am until December 31, 09:00am
Freeze Warning until December 30, 08:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning
  •  
    Freeze Warning until December 30, 08:00am

    NOW until 8:00am Tue

    Freeze Warning

  • Overnight

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Wind chill values as low as 24 early. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 29. Northwest wind around 8 mph.

    Low: 29 °F

    Clear then
    Frost

  • Wednesday

    Wednesday: Widespread frost before 8am. Otherwise, sunny, with a high near 56. Wind chill values as low as 22 early. Northwest wind 6 to 9 mph.

    High: 56 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36. West wind around 6 mph.

    Low: 36 °F

    Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Northwest wind around 10 mph, with gusts as high as 16 mph.
Tuesday
Mostly sunny, with a high near 51. Wind chill values as low as 24 early. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 29. Northwest wind around 8 mph.
Wednesday
Widespread frost before 8am. Otherwise, sunny, with a high near 56. Wind chill values as low as 22 early. Northwest wind 6 to 9 mph.
Wednesday Night
Clear, with a low around 36. West wind around 6 mph.
New Year's Day
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 65.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 68. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
12:26 am EST Dec 30, 2025
Forecast Valid:
3am EST Dec 30, 2025-6pm EST Jan 5, 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