Jamestown, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a village in Greene County, Ohio.
Today
84°F
Sunny
Sunny, with a high near 84. Northeast wind around 5 mph.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 mph NE | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph NE | 2% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph W | 29% |
| Wednesday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 17% |
| Thursday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 38% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SW | 61% |
| Friday | 84°F | Showers And Thunderstorms Likely | 3 to 9 mph SW | 67% |
| Friday Night | 66°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 67% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 32% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 32% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph SW | 18% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 mph SW | 18% |
| Monday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 8 to 13 mph SW | 31% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 32% |
Forecast source: National Weather Service (api.weather.gov) for Jamestown (39.657, -83.754). Updated through the day.
Growing snapshot for Jamestown
Last spring frost
Apr 18
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
6b
More local growing data for Jamestown: nearby ZIP 45335 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Beavercreek
Bellbrook
Bowersville
Cedarville
Fairborn
Shawnee Hills
Spring Valley
Wilberforce
Wright-Patterson AFB
Xenia
Yellow Springs
Climate data from the nearest NOAA station, Xenia 6 Sse, Oh (9.2 mi from Jamestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.