Harman US

Jamestown, OH Weather & Growing Conditions

Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. East wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 58°F Partly Cloudy 7 mph E 2%
Saturday 81°F Patchy Fog then Chance Showers And Thunderstorms 6 mph SE 37%
Saturday Night 66°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 6 mph S 64%
Sunday 81°F Showers And Thunderstorms Likely 8 mph SW 59%
Sunday Night 61°F Showers And Thunderstorms Likely 9 to 13 mph N 59%
Monday 73°F Chance Showers And Thunderstorms 13 mph NE 52%
Monday Night 57°F Chance Showers And Thunderstorms 10 to 15 mph NE 49%
Tuesday 72°F Chance Showers And Thunderstorms 13 mph NE 49%
Tuesday Night 58°F Chance Showers And Thunderstorms 9 to 14 mph NE 46%
Wednesday 70°F Chance Rain Showers 12 mph NE 45%
Wednesday Night 56°F Chance Showers And Thunderstorms 7 to 12 mph NE 37%
Thursday 71°F Partly Sunny 10 mph N 14%
Thursday Night 55°F Mostly Cloudy 6 to 10 mph N 13%
Friday 71°F Partly Sunny 6 to 10 mph N 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Jamestown, OH

Last spring frost
Apr 18
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
6b

Explore more for Jamestown, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Xenia 6 Sse, Oh (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.