Defiance, OH Weather & Growing Conditions
Overnight
61°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 61. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Chance Rain Showers | 20 mph S | 43% |
| Wednesday | 69°F | Rain Showers | 15 to 20 mph S | 80% |
| Wednesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 31% |
| Thursday | 60°F | Mostly Cloudy | 10 to 20 mph SW | 9% |
| Thursday Night | 45°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph W | 27% |
| Friday | 54°F | Chance Rain Showers | 5 to 10 mph NW | 43% |
| Friday Night | 36°F | Chance Rain Showers then Mostly Cloudy | 10 mph NW | 28% |
| Saturday | 52°F | Partly Sunny | 5 to 10 mph NW | 10% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 2% |
| Sunday | 55°F | Mostly Sunny | 5 to 15 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear | 5 to 10 mph W | 7% |
| Monday | 58°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Tuesday | 62°F | Mostly Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Defiance, OH
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
183 days
Hardiness zone
6a
Explore more for Defiance, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Defiance, Oh (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.