Mount Pleasant, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Pleasant, a town in Charleston County, South Carolina.
Today
87°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms between 8am and 4pm. Mostly sunny, with a high near 87. Heat index values as high as 101. East wind 3 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Mount Pleasant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 12 mph E | 73% |
| Tonight | 77°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 12 mph S | 50% |
| Wednesday | 87°F | Showers And Thunderstorms Likely then Partly Sunny | 5 to 12 mph S | 73% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 6 to 12 mph S | 50% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 3 to 9 mph S | 50% |
| Thursday Night | 78°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph S | 21% |
| Friday | 88°F | Chance Showers And Thunderstorms | 3 to 10 mph SE | 43% |
| 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 | 60% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms | 3 to 8 mph S | 30% |
| 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 | 31% |
| Monday | 90°F | Chance Showers And Thunderstorms | 3 to 10 mph SW | 33% |
| Monday Night | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 33% |
Forecast source: National Weather Service (api.weather.gov) for Mount Pleasant (32.808, -79.865). Updated through the day.
Growing snapshot for Mount Pleasant
Last spring frost
Mar 13
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9a
More local growing data for Mount Pleasant: nearby ZIP 29464 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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North Charleston
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Seabrook Island
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All South Carolina locations ›
Climate data from the nearest NOAA station, Sullivans Is, Sc (4 mi from Mount Pleasant). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.