November in Portage Park averages a daily high of 9.3°C with nights around 0.7°C. Expect roughly 9.2 wet days totalling 54.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Portage Park is August–September.
Based on CHICAGO OHARE INTERNATIONAL AIRPORT, IL US (13.8km), 1995–2024. 30 years of November data.