Jamestown, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a town in Berkeley County, South Carolina.
Today
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 102. Southeast wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 46% |
| Tonight | 72°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 39% |
| Wednesday | 90°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 54% |
| Wednesday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 6 mph E | 24% |
| Thursday | 91°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 65% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph E | 39% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 50% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 28% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 0 to 3 mph SE | 54% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 2 mph SE | 45% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 2 mph SW | 52% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 52% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 46% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Jamestown (33.286, -79.695). Updated through the day.
Growing snapshot for Jamestown
Last spring frost
Mar 22
First fall frost
Nov 13
Growing season
238 days
Hardiness zone
8b
More local growing data for Jamestown: nearby ZIP 29453 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
All South Carolina locations ›
Climate data from the nearest NOAA station, Jamestown, Sc (6.7 mi from Jamestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.