Delta, OH Weather & Growing Conditions
Overnight
56°F
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 61 overnight. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 5 mph NE | 8% |
| Saturday | 73°F | Showers And Thunderstorms | 5 mph E | 80% |
| Saturday Night | 62°F | Showers And Thunderstorms | 0 to 5 mph SE | 86% |
| Sunday | 71°F | Showers And Thunderstorms | 5 to 15 mph N | 90% |
| Sunday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 41% |
| Monday | 64°F | Slight Chance Rain Showers | 15 mph NE | 23% |
| Monday Night | 49°F | Slight Chance Rain Showers | 15 mph NE | 19% |
| Tuesday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 20 mph NE | 18% |
| Tuesday Night | 51°F | Chance Rain Showers | 15 to 20 mph NE | 51% |
| Wednesday | 64°F | Rain Showers Likely | 15 mph E | 58% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 5 to 15 mph NE | 58% |
| Thursday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Delta, OH
Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
170 days
Hardiness zone
6a
Explore more for Delta, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Wauseon Wtp, Oh (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.