Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

A Few Clouds

88°F

31°C

Humidity 66%
Wind Speed S 7 mph
Barometer 29.84 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 3 Aug 5:15 pm EDT
Extended Forecast for

Saint Simons Island GA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Cloudy, with a steady temperature around 82. Southwest wind around 11 mph, with gusts as high as 15 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers.  Mostly cloudy, with a low around 74. Southwest wind around 8 mph.  Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 75. South wind 3 to 8 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 82. Southwest wind around 11 mph, with gusts as high as 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Southwest wind around 8 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South wind 3 to 8 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 76.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 77.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 76.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.23°N 81.36°W
3:36 pm EDT Aug 3, 2026
5pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database