March in Palo Alto averages a daily high of 18.7°C with nights around 7°C. Expect roughly 9.3 wet days totalling 73.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Palo Alto is April–October.
Based on REDWOOD CITY, CA US (9.3km), 1995–2024. 27 years of March data.