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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.

Today
84°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Partly sunny, with a high near 84. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Jamestown

WhenTempForecastWindPrecip
Today 84°F Partly Sunny then Slight Chance Showers And Thunderstorms 7 mph SE 62%
Tonight 66°F Chance Showers And Thunderstorms 7 mph S 54%
Sunday 84°F Chance Showers And Thunderstorms 6 to 9 mph W 32%
Sunday Night 58°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 10 to 14 mph NE 56%
Monday 70°F Rain Showers Likely 14 mph NE 57%
Monday Night 54°F Chance Rain Showers 12 to 15 mph NE 34%
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.