June in Corvallis averages a daily high of 23.6°C with nights around 9.3°C. Expect roughly 8 wet days totalling 33.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Corvallis is June–September.
Based on CORVALLIS STATE UNIVERSITY, OR US (9.6km), 1995–2024. 30 years of June data.