April in Eugene averages a daily high of 16.1°C with nights around 4.3°C. Expect roughly 15.1 wet days totalling 74.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Eugene is June–September.
Based on EUGENE MAHLON SWEET FIELD, OR US (13.7km), 1995–2024. 30 years of April data.