April in Oakland averages a daily high of 18.9°C with nights around 10.1°C. Expect roughly 5.7 wet days totalling 33.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Oakland is May–October.
Based on OAKLAND MUSEUM, CA US (0.9km), 1995–2024. 25 years of April data.