Mount Pleasant, SC Weather & Growing Conditions
This Afternoon
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 103. South wind 5 to 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 5 to 12 mph S | 25% |
| Tonight | 77°F | Chance Showers And Thunderstorms | 5 to 12 mph S | 51% |
| Wednesday | 88°F | Showers And Thunderstorms Likely then Partly Sunny | 5 to 12 mph S | 72% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 5 to 12 mph S | 49% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 3 to 9 mph S | 51% |
| Thursday Night | 78°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph S | 20% |
| Friday | 89°F | Chance Showers And Thunderstorms | 3 to 10 mph SE | 44% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 3 to 9 mph SE | 30% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 9 mph SE | 61% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms | 2 to 8 mph S | 31% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 2 to 9 mph SW | 47% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 32% |
| Monday | 90°F | Chance Showers And Thunderstorms | 2 to 10 mph SW | 34% |
| Monday Night | 78°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Pleasant, SC
Last spring frost
Mar 13
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9a
Explore more for Mount Pleasant, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Sullivans Is, Sc (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.