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.

Fair

88°F

31°C

Humidity 75%
Wind Speed NE 12 G 17 mph
Barometer 29.96 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 18 Aug 1:35 pm EDT
Extended Forecast for

Saint Simons GA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 86. East wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 77. East wind 6 to 9 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 89. Heat index values as high as 102. Northeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 7pm and 5am, then a slight chance of showers after 5am. Mostly clear, with a low around 74. Northeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 91. North wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 86. East wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 77. East wind 6 to 9 mph.
Tuesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 89. Heat index values as high as 102. Northeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms between 7pm and 5am, then a slight chance of showers after 5am. Mostly clear, with a low around 74. Northeast wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 91. North wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 75. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Friday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 90. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
1:26 pm EDT Aug 18, 2025
Forecast Valid:
1pm EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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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