Weather in McLean, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:02 PM ET · Refreshes every hour
75°F
Clear sky
Feels like 76°F
53%
Humidity
6 mph
Wind Speed
About Weather in McLean
McLean is located in Illinois (coordinates: 40.313579°N, 89.168606°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.