Weather in St. Charles, Missouri
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:12 PM ET · Refreshes every hour
77°F
Clear sky
Feels like 80°F
59%
Humidity
4 mph
Wind Speed
About Weather in St. Charles
St. Charles is located in Missouri (coordinates: 38.795702°N, 90.515364°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.