Weather

The weather at Perris can get very hot in the middle of the day, but it cools off a lot at night and in the early mornings, so it is a good idea to pack layers. The average temperature in October is a high of 85F/29C and a low of 49F/9C. 

Temperatures in Perris, CA: English on the Left, Metric on the Right. Click for More Weather.com Info