Weather Forecast and Radar for Lake St. Louis, Missouri

Weather in Lake St. Louis, MO

Spring in Lake St. Louis, Missouri, United States is mild, with temperatures averaging between 46°F and 71°F. Rainfall is common during this season, with an average of 4.1 inches in April and 4.5 inches in May. During the summer months, temperatures typically range between 68°F and 91°F. July is the warmest month, with average highs of 89°F. The area experiences frequent thunderstorms, with an average of 4.2 inches of rain each month.

Fall temperatures in Lake St. Louis range from 47°F to 71°F. Rainfall is generally lower, with an average of 2.6 inches in October and 1.8 inches in November. The area experiences some occasional snowfall in the winter months, with an average of 10 inches per season. Temperatures drop to an average low of 26°F in January and rise to a high of 47°F in March.

Fast Facts About Lake St. Louis, MO

As of 2020, the city population is 16357.

Major Cities Nearby Lake St. Louis, MO

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Lake St. Louis, Missouri.