Mount Pleasant, SC Weather & Growing Conditions
Today
90°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. North wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph N | 43% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 32% |
| Sunday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph NE | 42% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 3 mph E | 14% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph NE | 21% |
| Monday Night | 74°F | Chance Showers And Thunderstorms | 1 to 6 mph E | 43% |
| Tuesday | 85°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 8 mph NE | 68% |
| Tuesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 8 mph NE | 68% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 50% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 12 mph NE | 50% |
| Thursday | 83°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 14 mph N | 22% |
| Thursday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 to 12 mph NE | 22% |
| Friday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 12 mph NE | 24% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph NE | 24% |
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 Sep 19, 2026.