November in Arlington Heights averages a daily high of 9.5°C with nights around 0.5°C. Expect roughly 8.8 wet days totalling 46.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Arlington Heights is May–September.
Based on CHICAGO PALWAUKEE AIRPORT, IL US (7.2km), 1995–2024. 29 years of November data.