February in Portage Park averages a daily high of 2.2°C with nights around -6.4°C. Expect roughly 9.3 wet days totalling 52.5mm. A hard month to visit for comfort alone.
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 February data.