June in Youngstown averages a daily high of 25.8°C with nights around 13.6°C. Expect roughly 13 wet days totalling 102.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Youngstown is May–September.
Based on YOUNGSTOWN WARREN REGIONAL AIRPORT, OH US (17.3km), 1995–2024. 30 years of June data.