Historical weather data, all-time temperature records, and monthly climate averages for Moreno Valley, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Moreno Valley sits right in the middle of spring's comfortable stretch, with highs averaging 73° and just an 11% chance of rain. The date has seen its share of extremes though — from a scorching 91° back in 1961 to a surprising 30° low as recently as 2023.
Moreno Valley plays by Inland Empire rules: summers are serious, with an all-time high of 116° recorded on September 6, 2020. Winters can bite too — the valley bottomed out at 17° in December 1968, and yes, it has snowed here, dropping 3 inches on January 11, 1949.
This is a sun-drenched desert valley with a long, hot summer — highs run in the low-to-mid 90s from July through August and don't really cool off until October. If you want the mildest weather, aim for late spring (May, 77°) or early fall (October, 81°). Rain is scarce year-round, with the wettest stretch coming in late January at just under half an inch per week.