Wilmington, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilmington, a city in Clinton County, Ohio.
Tonight
59°F
Partly Cloudy then Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 59. Northeast wind 6 to 9 mph.
7-day forecast for Wilmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy then Patchy Fog | 6 to 9 mph NE | 2% |
| Saturday | 82°F | Patchy Fog then Chance Rain Showers | 6 mph SE | 35% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph S | 65% |
| Sunday | 83°F | Chance Rain Showers | 8 mph SW | 52% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 12 mph N | 52% |
| Monday | 75°F | Chance Showers And Thunderstorms | 12 mph NE | 46% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 50% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 13 mph NE | 50% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 42% |
| Wednesday | 71°F | Chance Rain Showers | 10 mph NE | 42% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 7 to 13 mph N | 40% |
| Thursday | 71°F | Partly Sunny | 10 mph N | 12% |
| Thursday Night | 55°F | Mostly Cloudy | 6 to 10 mph N | 12% |
| Friday | 71°F | Mostly Sunny | 7 to 10 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov) for Wilmington (39.429, -83.816). Updated through the day.
Growing snapshot for Wilmington
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6b
More local growing data for Wilmington: nearby ZIP 45177 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wilmington 3 N, Oh (2.5 mi from Wilmington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.