De Graff, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Graff, a village in Logan County, Ohio.
Today
83°F
Sunny
Sunny, with a high near 83. Northeast wind around 1 mph.
7-day forecast for De Graff
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 1 mph NE | 0% |
| Tonight | 62°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 86°F | Sunny | 0 to 3 mph NW | 8% |
| Wednesday Night | 65°F | Partly Cloudy | 2 mph W | 3% |
| Thursday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph SW | 48% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph SW | 69% |
| Friday | 83°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 7 mph SW | 69% |
| Friday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 59% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 25% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SW | 25% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 17% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 21% |
| Monday | 87°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 31% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 40% |
Forecast source: National Weather Service (api.weather.gov) for De Graff (40.313, -83.917). Updated through the day.
Growing snapshot for De Graff
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
More local growing data for De Graff: nearby ZIP 43318 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Bellefontaine
Chippewa Park
East Liberty
Huntsville
Lakeview
Lewistown
Quincy
Ridgeway
Rushsylvania
Russells Point
Valley Hi
West Liberty
Zanesfield
Climate data from the nearest NOAA station, Bellefontaine, Oh (7.9 mi from De Graff). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.