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.

Overcast

55°F

13°C

Humidity 72%
Wind Speed N 6 mph
Barometer 30.16 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 4 Dec 3:15 pm EST
Extended Forecast for

Saint Simons Island GA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 59. North wind around 7 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 7pm and 2am. Cloudy, with a low around 54. East wind 3 to 5 mph.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: Showers likely, mainly after 3pm. Cloudy, with a high near 68. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly between 7pm and 1am. Cloudy, with a low around 51. Light north wind. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Cloudy, with a high near 62. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 70%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers likely. Cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 59. North wind around 7 mph.
Tonight
A 30 percent chance of rain, mainly between 7pm and 2am. Cloudy, with a low around 54. East wind 3 to 5 mph.
Friday
Showers likely, mainly after 3pm. Cloudy, with a high near 68. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly between 7pm and 1am. Cloudy, with a low around 51. Light north wind. Chance of precipitation is 60%.
Saturday
Showers likely, mainly after 1pm. Cloudy, with a high near 62. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 70%.
Saturday Night
Showers. Low around 51. Chance of precipitation is 90%.
Sunday
Showers likely. Cloudy, with a high near 63. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 62.
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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:
2:16 pm EST Dec 4, 2025
Forecast Valid:
3pm EST Dec 4, 2025-6pm EST Dec 10, 2025
 
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