Delaware, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delaware, a city in Delaware County, Ohio.
This Afternoon
66°F
Light Rain Likely
Rain likely. Cloudy, with a high near 66. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Delaware
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Light Rain Likely | 16 mph S | 71% |
| Tonight | 50°F | Light Rain Likely then Mostly Cloudy | 7 to 16 mph SW | 62% |
| Thursday | 64°F | Partly Sunny | 7 to 14 mph SW | 1% |
| Thursday Night | 44°F | Mostly Cloudy | 5 to 8 mph SW | 4% |
| Friday | 56°F | Chance Light Rain | 5 to 10 mph W | 36% |
| Friday Night | 35°F | Chance Light Rain then Mostly Cloudy | 9 mph NW | 36% |
| Saturday | 52°F | Partly Sunny | 8 to 12 mph NW | 8% |
| Saturday Night | 31°F | Mostly Cloudy | 7 mph W | 4% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 5 to 9 mph W | 1% |
| Monday | 59°F | Sunny | 3 to 9 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 8 mph SW | 0% |
| Tuesday | 62°F | Sunny | 9 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 2 to 7 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Delaware (40.286, -83.075). Updated through the day.
Growing snapshot for Delaware
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
188 days
Hardiness zone
6b
More local growing data for Delaware: nearby ZIP 43015 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Marysville, Oh (13.1 mi from Delaware). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.