Jamestown, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a city in Russell County, Kentucky.
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 5 mph.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph NE | 6% |
| Tonight | 68°F | Partly Cloudy | 0 to 3 mph NE | 10% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 45% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 45% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 38% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 38% |
| Friday | 86°F | Chance Showers And Thunderstorms | 7 mph SW | 41% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 5 mph S | 41% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 6 mph SW | 49% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 49% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 29% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 19% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Jamestown (36.991, -85.064). Updated through the day.
Growing snapshot for Jamestown
Last spring frost
Apr 18
First fall frost
Oct 24
Growing season
189 days
Hardiness zone
7a
More local growing data for Jamestown: nearby ZIP 42642 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jamestown Wwtp, Ky (4 mi from Jamestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.