Defiance, OH Weather & Growing Conditions
Overnight
57°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Cloudy, with a low around 57. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Slight Chance Showers And Thunderstorms | 5 mph E | 15% |
| Saturday | 73°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph E | 80% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 80% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 15 mph NW | 89% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 53% |
| Monday | 66°F | Chance Rain Showers | 15 mph NE | 41% |
| Monday Night | 50°F | Slight Chance Rain Showers | 15 mph NE | 23% |
| Tuesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 20 mph NE | 17% |
| Tuesday Night | 51°F | Chance Rain Showers | 15 to 20 mph NE | 47% |
| Wednesday | 65°F | Chance Rain Showers | 15 mph NE | 52% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 5 to 15 mph NE | 52% |
| Thursday | 68°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 7% |
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 (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.