Historical weather data, all-time temperature records, and monthly climate averages for Cypress, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Cypress is typically a mild spring day, with highs averaging 71° and almost no chance of snow. The date has seen some wild swings, though — from a scorching 101° in 1989 to a chilly 43° low back in 1967.
Cypress has seen some serious weather extremes over its 77 years of records, from a brutal 111° in September 2010 to a freezing 25° in January 1963. A single January day in 1956 dumped over 5 inches of rain — a reminder that this SoCal suburb isn't entirely immune to dramatic weather.
Cypress runs warm and dry nearly year-round, with highs staying between 66° and 85° depending on the season. Late summer is the peak — early September averages 85° — while winter barely dips, with January highs still reaching the mid-60s. If you're hoping to dodge the rain, avoid early February, which is the wettest stretch of the year.