Chillicothe, OH Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 7 mph SE | 1% |
| Tonight | 59°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph SE | 17% |
| Wednesday | 70°F | Showers And Thunderstorms | 7 to 13 mph SE | 100% |
| Wednesday Night | 54°F | Showers And Thunderstorms then Mostly Cloudy | 2 to 12 mph SW | 99% |
| Thursday | 70°F | Mostly Sunny | 2 to 9 mph SW | 2% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph W | 1% |
| Friday | 66°F | Partly Sunny | 0 to 7 mph NW | 5% |
| Friday Night | 39°F | Partly Cloudy | 5 mph NW | 7% |
| Saturday | 59°F | Mostly Sunny | 6 mph NW | 12% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NW | 12% |
| Sunday | 60°F | Mostly Sunny | 0 to 7 mph W | 8% |
| Sunday Night | 32°F | Partly Cloudy | 3 mph W | 14% |
| Monday | 62°F | Sunny | 2 to 7 mph W | 12% |
| Monday Night | 35°F | Mostly Clear | 3 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chillicothe, OH
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
6b
Explore more for Chillicothe, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Chillicothe Mound City, Oh (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.