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
Sunny
Sunny, with a high near 91. Heat index values as high as 95. South wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chillicothe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 5 mph S | 12% |
| Tonight | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph E | 34% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 7 mph ENE | 68% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely | 3 to 7 mph NNE | 81% |
| Thursday | 84°F | Showers And Thunderstorms then Mostly Sunny | 5 mph ENE | 81% |
| Thursday Night | 65°F | Mostly Clear | 3 mph ESE | 7% |
| Friday | 87°F | Mostly Sunny | 1 to 6 mph SSE | 13% |
| Friday Night | 68°F | Mostly Clear | 5 mph S | 13% |
| Saturday | 90°F | Sunny | 2 to 8 mph S | 13% |
| Saturday Night | 72°F | Mostly Clear | 8 mph S | 5% |
| Sunday | 93°F | Sunny | 7 to 13 mph SSW | 4% |
| Sunday Night | 73°F | Partly Cloudy | 7 to 13 mph S | 6% |
| Monday | 94°F | Mostly Sunny | 8 to 13 mph SSW | 6% |
| Monday Night | 73°F | Partly Cloudy | 8 to 13 mph S | 10% |
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 Aug 4, 2026.