Harman US

Coosawhatchie, SC Weather & Growing Conditions

Today
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 101. North wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 91°F Mostly Sunny then Chance Showers And Thunderstorms 2 mph N 40%
Tonight 72°F Chance Showers And Thunderstorms 1 mph E 47%
Sunday 88°F Mostly Sunny then Chance Showers And Thunderstorms 2 mph NE 39%
Sunday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 1 mph E 48%
Monday 89°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 3 mph E 38%
Monday Night 73°F Chance Showers And Thunderstorms 0 to 3 mph NE 38%
Tuesday 87°F Showers And Thunderstorms Likely 3 mph NE 63%
Tuesday Night 71°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 5 mph NE 63%
Wednesday 84°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 8 mph NE 45%
Wednesday Night 68°F Chance Showers And Thunderstorms 7 mph NE 45%
Thursday 82°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 8 mph NE 21%
Thursday Night 67°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 8 mph NE 21%
Friday 82°F Mostly Sunny then Slight Chance Showers And Thunderstorms 7 mph NE 21%
Friday Night 64°F Slight Chance Showers And Thunderstorms 5 mph NE 21%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Coosawhatchie, SC

Last spring frost
Mar 23
First fall frost
Nov 6
Growing season
233 days
Hardiness zone
8b

Explore more for Coosawhatchie, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Yemassee 1 N, Sc (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.