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

Mount Pleasant Regional-Faison Field (KLRO)

Lat: 32.9°NLon: 79.78°WElev: 13ft.

A Few Clouds

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Last update 12 Sep 8:35 am EDT
Extended Forecast for

Sullivan's Island SC

  • Today

    Today: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind 5 to 10 mph becoming south in the afternoon.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 77. South wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 87. South wind 5 to 9 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind 6 to 9 mph.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Breezy.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Breezy.

    High: 83 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind 5 to 10 mph becoming south in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 77. South wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 87. South wind 5 to 9 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Mostly sunny, with a high near 84. Breezy.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 83. Breezy.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan's Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
8:32 am EDT Sep 12, 2026
Forecast Valid:
8am EDT Sep 12, 2026-6pm EDT Sep 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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