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.

Fair

86°F

30°C

Humidity 84%
Wind Speed Vrbl 6 mph
Barometer 30.11 in
Dewpoint 81°F (27°C)
Visibility 9.00 mi
Heat Index102°F (39°C)
Last update 12 Aug 12:35 pm EDT
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 86. South wind 6 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 78. South wind 7 to 9 mph.

    Low: 78 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. Southwest wind 7 to 13 mph.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 79. Southwest wind around 11 mph.

    Low: 79 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88. Southwest wind 8 to 13 mph.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 86. South wind 6 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 78. South wind 7 to 9 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 87. Southwest wind 7 to 13 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 79. Southwest wind around 11 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88. Southwest wind 8 to 13 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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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:
5:43 am EDT Aug 12, 2025
Forecast Valid:
12pm EDT Aug 12, 2025-6pm EDT Aug 18, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation