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.

A Few Clouds

91°F

33°C

Humidity 67%
Wind Speed E 8 mph
Barometer 29.87 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 27 Jul 1:15 pm EDT
Extended Forecast for

Saint Simons GA

Heat Advisory July 28, 11:00am until July 28, 08:00pm
Heat Advisory July 27, 02:12pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory July 27, 02:12pm until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 80. Southeast wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 115. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 82. Southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 82 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 99. West wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 99 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 109. East wind around 10 mph, with gusts as high as 16 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 80. Southeast wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 115. Light and variable wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 82. Southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday
Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 99. West wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
9:51 am EDT Jul 27, 2026
Forecast Valid:
2pm EDT Jul 27, 2026-6pm EDT Aug 2, 2026
 
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