Weather in St. Clair, Missouri
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:02 PM ET · Refreshes every hour
78°F
Clear sky
Feels like 83°F
60%
Humidity
5 mph
Wind Speed
About Weather in St. Clair
St. Clair is located in Missouri (coordinates: 38.346595°N, 90.993561°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.