Historical weather data, all-time temperature records, and monthly climate averages for Mountain View, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Mountain View typically lands right in that sweet spot of spring — expect a high around 67° and a low near 47°. There's a 22% chance of rain, so a light jacket isn't a bad call. The date has swung wildly in the past, from a scorching 85° back in 1985 to a freezing 32° low in 1945.
Mountain View's weather has real range — this is a place that has hit 106° in June and bottomed out at 21° in January. The wettest single day on record dumped 3.36 inches on December 11, 2014, and the area has even seen measurable snow, with 1.8 inches falling on January 21, 1962.
Mountain View runs mild year-round, but late summer is the sweet spot — the warmest stretch is late August through early September, when highs average 77°. If you want to avoid the rain, skip February, which is the wettest week of the year at nearly 0.79 inches on average. Winter stays surprisingly moderate, with January highs still reaching 57°-58°.