Weather in McHenry, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 05:50 PM ET · Refreshes every hour
74°F
Clear sky
Feels like 72°F
38%
Humidity
5 mph
Wind Speed
About Weather in McHenry
McHenry is located in Illinois (coordinates: 42.336204°N, 88.291651°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.