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.

Thunderstorm

86°F

30°C

Humidity 79%
Wind Speed SW 12 mph
Barometer 29.93 in
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index99°F (37°C)
Last update 22 Aug 5:10 pm EDT
Extended Forecast for

Mount Pleasant SC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Mostly cloudy, with a high near 91. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Southwest wind 5 to 7 mph.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 3pm and 5pm. Sunny, with a high near 93. Heat index values as high as 105. West wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 77. Southwest wind 3 to 7 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 91. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Southwest wind 5 to 7 mph.
Sunday
A slight chance of showers and thunderstorms between 3pm and 5pm. Sunny, with a high near 93. Heat index values as high as 105. West wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 77. Southwest wind 3 to 7 mph.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Pleasant SC
 32.83°N 79.87°W (Elev. 3 ft)
Last Update:
2:35 pm EDT Aug 22, 2026
Forecast Valid:
5pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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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