October in Carlsbad averages a daily high of 24.2°C with nights around 11.4°C. Expect roughly 4.3 wet days totalling 18mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Carlsbad is April–October.
Based on OCEANSIDE MUNICIPAL AIRPORT, CA US (6.8km), 1995–2024. 26 years of October data.