April in Eastvale averages a daily high of 24.4°C with nights around 8.4°C. Expect roughly 3.3 wet days totalling 14.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Eastvale is March–May.
Based on CHINO AIRPORT, CA US (5.8km), 1995–2024. 27 years of April data.