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Jamestown, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a village in Greene County, Ohio.

This Afternoon
83°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Jamestown

WhenTempForecastWindPrecip
This Afternoon 83°F Slight Chance Showers And Thunderstorms 8 mph S 61%
Tonight 66°F Showers And Thunderstorms Likely 7 mph S 67%
Sunday 84°F Chance Showers And Thunderstorms 6 to 9 mph W 58%
Sunday Night 58°F Showers And Thunderstorms Likely 12 mph N 64%
Monday 70°F Chance Rain Showers 12 to 15 mph NE 39%
Monday Night 54°F Chance Rain Showers 12 to 15 mph NE 36%
Tuesday 69°F Chance Rain Showers 13 mph NE 29%
Tuesday Night 56°F Chance Rain Showers 10 to 14 mph NE 52%
Wednesday 69°F Showers And Thunderstorms Likely 13 mph E 59%
Wednesday Night 55°F Showers And Thunderstorms Likely 7 to 13 mph NE 59%
Thursday 69°F Slight Chance Rain Showers then Mostly Cloudy 7 to 10 mph NE 22%
Thursday Night 53°F Mostly Cloudy 6 to 10 mph NE 12%
Friday 71°F Mostly Sunny 7 to 12 mph NE 10%
Friday Night 51°F Partly Cloudy 6 to 12 mph NE 10%

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

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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 Sep 19, 2026.