Weather in Chillicothe, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:06 PM ET · Refreshes every hour
79°F
Clear sky
Feels like 78°F
30%
Humidity
9 mph
Wind Speed
About Weather in Chillicothe
Chillicothe is located in Illinois (coordinates: 40.915961°N, 89.50268°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.