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

Hazardous Weather Conditions

Current conditions at

Mount Pleasant Regional-Faison Field (KLRO)

Lat: 32.9°NLon: 79.78°WElev: 13ft.

A Few Clouds

81°F

27°C

Humidity 79%
Wind Speed Vrbl 7 mph
Barometer 30.26 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 19 May 10:35 am EDT
Extended Forecast for

Sullivans Island SC

  • Today

    Today: Sunny, with a high near 77. Light southeast wind increasing to 8 to 13 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. Southeast wind 5 to 9 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. South wind 3 to 7 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light southwest wind becoming south 6 to 11 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 77. Light southeast wind increasing to 8 to 13 mph in the afternoon.
Tonight
Mostly clear, with a low around 71. Southeast wind 5 to 9 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 81. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. South wind 3 to 7 mph.
Thursday
Sunny, with a high near 82. Light southwest wind becoming south 6 to 11 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 76.
Saturday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Memorial Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
8:33 am EDT May 19, 2026
Forecast Valid:
10am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation