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.

Mostly Cloudy

84°F

29°C

Humidity 66%
Wind Speed NE 15 G 24 mph
Barometer 30.28 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Sep 1:15 pm EDT
Extended Forecast for

Saint Simons Island GA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Breezy, with a northeast wind around 17 mph, with gusts as high as 24 mph.

    High: 87 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 74. East wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Breezy, with a northeast wind 8 to 15 mph, with gusts as high as 21 mph.

    High: 88 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Northeast wind 3 to 7 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. East wind 5 to 9 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Breezy, with a northeast wind around 17 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 74. East wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 88. Breezy, with a northeast wind 8 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 73. Northeast wind 3 to 7 mph.
Friday
Sunny, with a high near 89. East wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 73.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 74.
Sunday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 74.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
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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:
1:31 pm EDT Sep 16, 2026
Forecast Valid:
1pm EDT Sep 16, 2026-6pm EDT Sep 22, 2026
 
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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