October in Elmhurst averages a daily high of 19°C with nights around 11.9°C. Expect roughly 9.1 wet days totalling 101.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Elmhurst is May–June.
Based on LAGUARDIA AIRPORT, NY US (4.8km), 1995–2024. 30 years of October data.