Mount Pleasant, SC Weather & Growing Conditions
This Afternoon
80°F
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 74 in the afternoon. Southeast wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Mostly Sunny | 5 to 8 mph SE | 1% |
| Tonight | 67°F | Mostly Cloudy then Patchy Fog | 3 mph SE | 2% |
| Thursday | 80°F | Patchy Fog then Mostly Sunny | 1 to 6 mph S | 3% |
| Thursday Night | 67°F | Partly Cloudy | 3 mph S | 1% |
| Friday | 79°F | Chance Rain Showers | 2 to 8 mph SW | 40% |
| Friday Night | 60°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph NW | 40% |
| Saturday | 75°F | Mostly Sunny | 3 to 7 mph NE | 2% |
| Saturday Night | 49°F | Partly Cloudy | 5 mph NE | 0% |
| Sunday | 69°F | Mostly Sunny | 2 to 7 mph NE | 0% |
| Sunday Night | 48°F | Partly Cloudy | 1 mph N | 2% |
| Monday | 70°F | Sunny | 2 mph NE | 5% |
| Monday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 1 mph NE | 15% |
| Tuesday | 71°F | Slight Chance Rain Showers | 2 mph SE | 15% |
| Tuesday Night | 52°F | Slight Chance Rain Showers | 1 mph W | 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 (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.