Chillicothe, OH Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 3 mph NE | 0% |
| Tonight | 66°F | Mostly Clear | 0 to 3 mph N | 6% |
| Wednesday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 46% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 2 mph SW | 36% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 6 mph SW | 47% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 58% |
| Friday | 86°F | Showers And Thunderstorms | 2 to 7 mph SW | 76% |
| Friday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SW | 76% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 41% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 18% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SW | 18% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph SW | 27% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 32% |
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 Aug 4, 2026.