Weather Forecast and Radar for Costa Mesa, California

Current & 7-day weather forecast, weather alerts, and weather radar for Costa Mesa, California.
All times shown in your local timezone

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Temperature Forecast for Costa Mesa, California

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Temperature Forecast for Costa Mesa, California

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Weather Radar for Costa Mesa, California

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Weather in Costa Mesa, CA

Costa Mesa, California experiences mild temperatures year-round. In the summer, temperatures usually range from the mid-60s to the low-90s with the occasional heat wave reaching into the triple digits. During the winter, temperatures typically range from the mid-50s to the mid-70s. Rain is rare, with most of the precipitation occurring between December and March. During this time, temperatures may dip down into the 40s at night. The coastal breeze helps to keep the temperature comfortable year-round, creating a mild and pleasant climate.

Fast Facts About Costa Mesa, CA

As of 2020, the city population is 112958.

Major Cities Nearby Costa Mesa, CA

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