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.

Fair

79°F

26°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.96 in
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index84°F (29°C)
Last update 23 Aug 8:15 am EDT
Extended Forecast for

Mount Pleasant SC

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 5 to 8 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 75. Southwest wind around 6 mph becoming calm after midnight.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 5 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Light southwest wind becoming south 5 to 9 mph in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 75. Southwest wind around 6 mph becoming calm after midnight.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Pleasant SC
 32.83°N 79.87°W (Elev. 3 ft)
Last Update:
7:52 am EDT Aug 23, 2026
Forecast Valid:
8am EDT Aug 23, 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