Weather in Colchester, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 08:01 PM ET · Refreshes every hour
79°F
Clear sky
Feels like 77°F
32%
Humidity
2 mph
Wind Speed
About Weather in Colchester
Colchester is located in Illinois (coordinates: 40.42561°N, 90.792174°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.