Delaware, OH Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 5 mph E | 1% |
| Saturday | 81°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph SE | 37% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph S | 56% |
| Sunday | 80°F | Showers And Thunderstorms Likely | 5 to 12 mph W | 70% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 13 mph NE | 67% |
| Monday | 69°F | Chance Rain Showers | 13 mph NE | 44% |
| Monday Night | 52°F | Chance Rain Showers | 13 mph NE | 40% |
| Tuesday | 68°F | Chance Rain Showers | 13 mph NE | 30% |
| Tuesday Night | 54°F | Rain Showers Likely | 14 mph E | 63% |
| Wednesday | 68°F | Rain Showers Likely | 10 to 14 mph E | 63% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 13 mph E | 59% |
| Thursday | 69°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Thursday Night | 52°F | Mostly Cloudy | 6 to 9 mph NE | 13% |
| Friday | 71°F | Partly Sunny | 7 to 12 mph NE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Delaware, OH
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
188 days
Hardiness zone
6b
Explore more for Delaware, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Marysville, Oh (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.