Jamestown, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a city in Russell County, Kentucky.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 73 in the afternoon. South wind around 9 mph.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 9 mph S | 2% |
| Tonight | 60°F | Showers And Thunderstorms | 7 to 12 mph SE | 90% |
| Wednesday | 72°F | Showers And Thunderstorms | 7 to 13 mph S | 98% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 6 mph SW | 20% |
| Thursday | 71°F | Mostly Sunny | 2 to 6 mph SW | 0% |
| Thursday Night | 41°F | Partly Cloudy | 1 mph W | 0% |
| Friday | 68°F | Mostly Sunny | 0 to 8 mph NW | 5% |
| Friday Night | 36°F | Partly Cloudy | 5 mph N | 6% |
| Saturday | 60°F | Mostly Sunny | 6 mph N | 1% |
| Saturday Night | 30°F | Mostly Cloudy | 0 to 3 mph N | 1% |
| Sunday | 61°F | Mostly Sunny | 1 to 7 mph NW | 7% |
| Sunday Night | 28°F | Mostly Clear | 1 to 5 mph W | 12% |
| Monday | 63°F | Sunny | 1 to 6 mph W | 9% |
| Monday Night | 29°F | Mostly Clear | 3 mph W | 1% |
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 Nov 4, 2026.