July in Elmhurst averages a daily high of 30.1°C with nights around 22°C. Expect roughly 10 wet days totalling 114.6mm. Generally workable, with some weather to plan around.
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 July data.