Harman US

De Graff, OH Weather & Growing Conditions

Today
81°F
Mostly Cloudy then Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Mostly Cloudy then Chance Showers And Thunderstorms 7 mph SE 55%
Tonight 66°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 58%
Sunday 80°F Showers And Thunderstorms Likely 3 to 10 mph W 67%
Sunday Night 56°F Showers And Thunderstorms Likely 9 to 14 mph NE 66%
Monday 68°F Chance Rain Showers 14 mph NE 53%
Monday Night 52°F Chance Rain Showers 10 to 16 mph NE 49%
Tuesday 68°F Mostly Cloudy 10 to 14 mph NE 14%
Tuesday Night 54°F Chance Rain Showers 9 to 14 mph NE 53%
Wednesday 68°F Chance Showers And Thunderstorms 10 mph E 53%
Wednesday Night 54°F Chance Rain Showers 5 to 10 mph NE 53%
Thursday 69°F Mostly Cloudy 5 to 8 mph NE 14%
Thursday Night 53°F Mostly Cloudy 3 to 8 mph NE 14%
Friday 70°F Mostly Sunny 5 to 10 mph NE 12%
Friday Night 50°F Partly Cloudy 3 to 10 mph NE 12%

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

Growing snapshot for De Graff, OH

Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Bellefontaine, Oh (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.