Weather in St. Charles, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 07:56 PM ET · Refreshes every hour
73°F
Clear sky
Feels like 73°F
47%
Humidity
2 mph
Wind Speed
About Weather in St. Charles
St. Charles is located in Illinois (coordinates: 41.919447°N, 88.310743°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.