National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

77°F

25°C

Humidity 83%
Wind Speed SE 5 mph
Barometer 30.08 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Oct 12:15 am EDT
Extended Forecast for

Saint Simons Island GA

  • Overnight

    Overnight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. Light southeast wind.

    Low: 68 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Light and variable wind becoming west around 6 mph after midnight.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Windy.

    Low: 59 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73. Very windy.

    High: 73 °F

    Mostly Sunny
    and Windy
    then Chance
    Showers and
    Very Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 61. Windy.

    Low: 61 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. Light southeast wind.
Friday
Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 66. Light and variable wind becoming west around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 75. Breezy.
Saturday Night
Partly cloudy, with a low around 59. Windy.
Sunday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73. Very windy.
Sunday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 61. Windy.
Monday
A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 77. Windy.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64. Windy.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 78. Windy.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63. Breezy.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 77. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
12am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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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