Irvine Weather in October

Irvine in Orange County benefits from proximity to the Pacific while sitting in the Irvine Valley between mountain ranges. The city is known for excellent air quality due to prevailing ocean breezes. However, Santa Ana wind events can bring extreme heat and fire danger in fall. The planned city design integrates extensive parks that moderate the urban heat island.

Foliage season in temperate cities. Often the best month to visit Europe.