Weather in Mark, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:01 PM ET · Refreshes every hour
79°F
Clear sky
Feels like 76°F
28%
Humidity
11 mph
Wind Speed
About Weather in Mark
Mark is located in Illinois (coordinates: 41.262349°N, 89.255024°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.