Weather in Lemont, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 08:41 PM ET · Refreshes every hour
76°F
Clear sky
Feels like 72°F
36%
Humidity
5 mph
Wind Speed
About Weather in Lemont
Lemont is located in Illinois (coordinates: 41.667237°N, 87.982023°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.