Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

82°F

28°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.02 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Aug 2:35 am EDT
Extended Forecast for

3 Miles S Saint Simons GA

Heat Advisory August 16, 11:00am until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 78. Light southwest wind.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall.  Sunny, with a high near 90. Heat index values as high as 108. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 16 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly between 3am and 4am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 78. East wind around 6 mph becoming calm  in the evening.

    Low: 78 °F

    Heavy Rain
    then Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 7am and 8am, then a chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 88. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 50%.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. East wind 5 to 7 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly clear, with a low around 78. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Light southwest wind.
Saturday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Sunny, with a high near 90. Heat index values as high as 108. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly between 3am and 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. East wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers between 7am and 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Northeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 78. East wind 5 to 7 mph.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly clear, with a low around 78. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 8am. Sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms. Mostly clear, with a low around 78. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Saint Simons GA
 31.14°N 81.39°W
1:26 am EDT Aug 16, 2025
2am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
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