Chillicothe, MO Weather & Growing Conditions
Overnight
47°F
Patchy Drizzle
Patchy drizzle before 5am. Cloudy, with a low around 47. West wind around 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Drizzle | 9 mph W | 12% |
| Wednesday | 56°F | Cloudy | 8 to 13 mph W | 8% |
| Wednesday Night | 41°F | Partly Cloudy | 6 mph W | 1% |
| Thursday | 56°F | Partly Sunny | 5 to 9 mph WNW | 9% |
| Thursday Night | 42°F | Mostly Cloudy | 5 mph NNW | 8% |
| Friday | 53°F | Partly Sunny | 3 to 7 mph N | 3% |
| Friday Night | 32°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 54°F | Mostly Sunny | 2 mph W | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph NNW | 0% |
| Sunday | 60°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 36°F | Clear | 1 mph WSW | 0% |
| Monday | 66°F | Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 2 mph WSW | 0% |
| Tuesday | 67°F | Sunny | 1 to 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chillicothe, MO
Last spring frost
Apr 15
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6a
Explore more for Chillicothe, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Chillicothe Agri-Sci, Mo (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.