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.

Fair

66°F

19°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.10 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Jan 7:15 pm EST
Extended Forecast for

Saint Simons Island GA

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 59. Southwest wind around 7 mph.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 65. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. North wind around 9 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. Wind chill values as low as 30 early. Northeast wind 7 to 9 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 1am. Otherwise, partly cloudy, with a low around 36. Light north wind.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 59. Southwest wind around 7 mph.
Sunday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 65. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 36. North wind around 9 mph.
Monday
Mostly sunny, with a high near 53. Wind chill values as low as 30 early. Northeast wind 7 to 9 mph.
Monday Night
Patchy frost after 1am. Otherwise, partly cloudy, with a low around 36. Light north wind.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 59.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 41.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 55.
Thursday Night
Patchy frost. Otherwise, mostly clear, with a low around 31.
Friday
Patchy frost. Otherwise, sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 61.
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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:
6:17 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 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