Mount Pleasant, SC Weather & Growing Conditions
Overnight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Partly Cloudy | 5 mph NE | 1% |
| Wednesday | 80°F | Mostly Sunny | 5 to 8 mph E | 3% |
| Wednesday Night | 67°F | Mostly Cloudy | 3 mph SE | 3% |
| Thursday | 81°F | Mostly Sunny | 1 to 6 mph S | 5% |
| Thursday Night | 66°F | Partly Cloudy | 3 mph S | 1% |
| Friday | 80°F | Chance Rain Showers | 2 to 8 mph SW | 44% |
| Friday Night | 60°F | Chance Rain Showers then Mostly Cloudy | 3 mph W | 44% |
| Saturday | 75°F | Sunny | 6 mph N | 2% |
| Saturday Night | 51°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Sunday | 71°F | Mostly Sunny | 6 mph NE | 1% |
| Sunday Night | 49°F | Partly Cloudy | 3 mph N | 4% |
| Monday | 70°F | Mostly Sunny | 5 mph N | 4% |
| Monday Night | 48°F | Mostly Clear then Slight Chance Rain Showers | 3 mph N | 15% |
| Tuesday | 71°F | Slight Chance Rain Showers then Sunny | 5 mph SE | 15% |
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 Nov 4, 2026.