October in Modesto averages a daily high of 26°C with nights around 11°C. Rain is rare — about 2.2 wet days and 14.6mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Modesto is April–May.
Based on MODESTO AIRPORT, CA US (4km), 1995–2024. 30 years of October data.