Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Overcast

84°F

29°C

Humidity 74%
Wind Speed S 6 mph
Barometer 30.08 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 25 Jul 12:35 am EDT
Extended Forecast for

3 Miles S Saint Simons GA

Heat Advisory July 25, 12:00pm until July 25, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 80. South wind around 7 mph.

    Low: 80 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 5pm.  Increasing clouds and hot, with a high near 96. Heat index values as high as 109. South wind around 9 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 78. South wind around 10 mph, with gusts as high as 16 mph.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 93. Heat index values as high as 103. West wind 7 to 9 mph.  Chance of precipitation is 70%.

    High: 93 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 80.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 80. South wind around 7 mph.
Saturday
Showers and thunderstorms likely, mainly after 5pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 109. South wind around 9 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 before 1am. Mostly cloudy, with a low around 78. South wind around 10 mph, with gusts as high as 16 mph.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 93. Heat index values as high as 103. West wind 7 to 9 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 80.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 40 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Saint Simons GA
 31.14°N 81.39°W
11:57 pm EDT Jul 24, 2026
12am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
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Additional Resources

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