Weather Forecast and Radar for Mission Viejo, California

Weather in Mission Viejo, CA

Mission Viejo, California, United States experiences mild weather year-round. In the winter months (December, January, and February), temperatures generally remain in the low to mid-60s Fahrenheit during the day, with lows at night in the mid-40s. There may be occasional cold spells, but snowfall is rare.

In the spring (March, April, and May), temperatures rise slightly to the mid-70s during the day, with overnight lows in the mid-50s. Rainfall is moderate during these months, and the occasional thunderstorm may pass through.

In the summer (June, July, and August), temperatures usually remain in the mid to upper-70s, with occasional spikes to the high 80s. Overnight lows are usually in the mid-60s. Heat waves can be common during these months, so make sure to stay hydrated.

In the fall (September, October, and November), temperatures generally drop back down to the mid-60s during the day, with overnight lows in the mid-50s. Rainfall is moderate, and the occasional thunderstorm may pass through.

Overall, temperatures in Mission Viejo remain mild throughout the year, making it a great place to visit year-round.

Fast Facts About Mission Viejo, CA

As of 2020, the city population is 600802.

Major Cities Nearby Mission Viejo, CA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Mission Viejo, California.