De Graff, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Graff, a village in Logan County, Ohio.
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. East wind around 6 mph.
7-day forecast for De Graff
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 6 mph E | 2% |
| Saturday | 79°F | Patchy Fog then Chance Showers And Thunderstorms | 6 mph SE | 51% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 mph S | 66% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 5 to 8 mph W | 74% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 74% |
| Monday | 69°F | Showers And Thunderstorms Likely | 9 to 14 mph NE | 56% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 10 to 16 mph NE | 46% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 14 mph NE | 39% |
| Tuesday Night | 56°F | Chance Rain Showers | 8 to 15 mph NE | 46% |
| Wednesday | 69°F | Chance Rain Showers | 9 mph NE | 46% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 5 to 9 mph NE | 22% |
| Thursday | 70°F | Mostly Cloudy | 8 mph N | 13% |
| Thursday Night | 54°F | Mostly Cloudy | 3 to 8 mph N | 13% |
| Friday | 70°F | Partly Sunny | 3 to 8 mph N | 9% |
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 Sep 19, 2026.