Historical weather data, all-time temperature records, and monthly climate averages for Calabasas, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Calabasas typically feels like a pleasant preview of summer, with average highs of 76° and lows of 44°. The date has a wild range in the record books though — temperatures have swung from a frosty 32° low in 1998 all the way up to a scorching 96° high in 1989. Rain is unlikely, with only a 13% historical chance of any precipitation.
Calabasas plays for keeps when it comes to heat — the all-time record of 120° set on September 6, 2020 ranks among the most extreme temperatures ever recorded in the greater LA area. The cold side is far tamer by comparison, with an 18° low in February 1989, the same brutal week that also produced the location's only meaningful snowfall at half an inch.
Calabasas runs warm nearly year-round, with average highs never dipping below 67° even in the dead of winter — making January through March the most comfortable window for outdoor activities before the heat arrives. July and August are the peak of summer intensity, with average highs pushing 95–96°. If you're rain-sensitive, avoid mid-January through mid-February, when weekly precipitation averages top out around 1.13 inches.