Tropical System Potential Impacts

Tropical Cyclone Imelda near the Bahamas Today will strengthen as it tracks northward and parallel to the east Florida coast. Monitor the briefing for the latest forecast. Read More >

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Mostly Cloudy

82°F

28°C

Humidity 79%
Wind Speed NE 12 G 18 mph
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Sep 4:55 pm EDT
Extended Forecast for

Saint Simons Island GA

High Surf Advisory until October 2, 04:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until October 2, 04:00am

    NOW until 4:00am Thu

    High Surf Advisory

  • This Afternoon

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Northeast wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Cloudy, then gradually becoming mostly sunny, with a high near 82. Breezy, with a north wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 8pm.  Partly cloudy, with a low around 66. North wind around 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 10%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Northeast wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Breezy.  Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 81. Northeast wind around 14 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Northeast wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 82. Breezy, with a north wind 13 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Wednesday
Sunny, with a high near 81. Northeast wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 78. Breezy.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Breezy. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 78. Breezy. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Breezy.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
1:11 pm EDT Sep 29, 2025
5pm EDT Sep 29, 2025-6pm EDT Oct 6, 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