Chillicothe, MO Weather & Growing Conditions
Tonight
47°F
Cloudy
Cloudy, with a low around 47. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Cloudy | 10 mph W | 9% |
| Wednesday | 56°F | Mostly Cloudy | 9 to 13 mph W | 7% |
| Wednesday Night | 40°F | Partly Cloudy | 6 mph WSW | 2% |
| Thursday | 56°F | Partly Sunny then Slight Chance Rain Showers | 5 to 9 mph W | 19% |
| Thursday Night | 40°F | Mostly Cloudy | 5 mph NW | 6% |
| Friday | 55°F | Partly Sunny | 3 to 7 mph N | 2% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph N | 0% |
| Saturday | 57°F | Partly Sunny | 0 to 3 mph W | 1% |
| Saturday Night | 36°F | Partly Cloudy | 1 mph WNW | 5% |
| Sunday | 62°F | Sunny | 1 to 5 mph W | 4% |
| Sunday Night | 37°F | Mostly Clear | 2 mph WSW | 0% |
| Monday | 67°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 67°F | Mostly Sunny | 5 mph NNE | 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.