Summerville, SC Weather & Growing Conditions
This Afternoon
91°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely between 4pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Chance Showers And Thunderstorms | 2 mph NE | 55% |
| Tonight | 72°F | Chance Showers And Thunderstorms | 2 mph E | 47% |
| Sunday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph NE | 37% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph E | 37% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 29% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 2 mph NE | 31% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 3 mph NE | 67% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 67% |
| Wednesday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 8 mph NE | 45% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 45% |
| Thursday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 mph N | 19% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph NE | 19% |
| Friday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 mph N | 21% |
| Friday Night | 63°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 Summerville, SC
Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
238 days
Hardiness zone
8b
Explore more for Summerville, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Summerville 4W, Sc (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.