Harman US

Darrtown, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Darrtown, a community in Butler County, Ohio.

Overnight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. East wind around 5 mph.

7-day forecast for Darrtown

WhenTempForecastWindPrecip
Overnight 60°F Partly Cloudy 5 mph E 3%
Saturday 83°F Areas Of Fog then Slight Chance Showers And Thunderstorms 6 mph SE 50%
Saturday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 56%
Sunday 84°F Chance Showers And Thunderstorms 2 to 7 mph SW 48%
Sunday Night 62°F Chance Showers And Thunderstorms 7 to 10 mph NE 48%
Monday 76°F Chance Showers And Thunderstorms 8 to 12 mph NE 51%
Monday Night 57°F Chance Showers And Thunderstorms 8 to 14 mph NE 49%
Tuesday 73°F Chance Showers And Thunderstorms 12 mph NE 40%
Tuesday Night 58°F Chance Showers And Thunderstorms 6 to 13 mph NE 32%
Wednesday 71°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 6 to 9 mph N 20%
Wednesday Night 57°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph N 15%
Thursday 72°F Partly Sunny 5 to 9 mph N 9%
Thursday Night 55°F Mostly Cloudy 3 to 9 mph N 9%
Friday 72°F Partly Sunny 5 to 9 mph N 5%

Forecast source: National Weather Service (api.weather.gov) for Darrtown (39.497, -84.669). Updated through the day.

Growing snapshot for Darrtown

Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6a

More local growing data for Darrtown: nearby ZIP 45056 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

All Ohio locations ›

Climate data from the nearest NOAA station, Fairfield, Oh (12.5 mi from Darrtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.