Chillicothe, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chillicothe, a city in Livingston County, Missouri.
Today
91°F
Mostly Sunny
Mostly sunny, with a high near 91. Heat index values as high as 98. South southwest wind around 9 mph, with gusts as high as 18 mph.
7-day forecast for Chillicothe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny | 9 mph SSW | 4% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph WNW | 62% |
| Sunday | 77°F | Chance Showers And Thunderstorms | 2 to 8 mph N | 48% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 5 to 9 mph NE | 68% |
| Monday | 66°F | Showers And Thunderstorms Likely | 9 mph NNE | 68% |
| Monday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NNE | 20% |
| Tuesday | 64°F | Mostly Cloudy | 9 mph NE | 4% |
| Tuesday Night | 48°F | Partly Cloudy | 2 to 7 mph NE | 2% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph ENE | 4% |
| Thursday | 71°F | Slight Chance Rain Showers | 3 mph ENE | 15% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph E | 18% |
| Friday | 72°F | Slight Chance Rain Showers | 1 to 6 mph E | 21% |
| Friday Night | 57°F | Mostly Cloudy | 3 mph E | 11% |
Forecast source: National Weather Service (api.weather.gov) for Chillicothe (39.796, -93.550). Updated through the day.
Growing snapshot for Chillicothe
Last spring frost
Apr 15
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6a
More local growing data for Chillicothe: nearby ZIP 64601 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chillicothe Agri-Sci, Mo (1.2 mi from Chillicothe). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.