Defiance, OH Weather & Growing Conditions
This Afternoon
73°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 73. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Showers And Thunderstorms | 5 to 10 mph SE | 89% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SE | 87% |
| Sunday | 73°F | Showers And Thunderstorms | 5 to 15 mph N | 81% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 52% |
| Monday | 66°F | Chance Rain Showers | 15 to 20 mph NE | 29% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NE | 16% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 to 20 mph NE | 19% |
| Tuesday Night | 52°F | Chance Rain Showers | 15 to 20 mph NE | 38% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 15 mph NE | 56% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 56% |
| Thursday | 67°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 15% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 10% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph NE | 10% |
| Friday Night | 49°F | Partly Cloudy | 0 to 10 mph NE | 8% |
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 Sep 19, 2026.