March in Elmhurst averages a daily high of 10.3°C with nights around 2.4°C. Expect roughly 10.7 wet days totalling 100.3mm. Demanding conditions — pack for it and plan indoor options.
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 March data.