Weather in Lake St. Clair, Missouri
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:16 PM ET · Refreshes every hour
78°F
Partly cloudy
Feels like 78°F
55%
Humidity
8 mph
Wind Speed
About Weather in Lake St. Clair
Lake St. Clair is located in Missouri (coordinates: 38.32295°N, 90.999201°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.