Costa Mesa, CA Weather - Tomorrow’s Forecast

New Year's Day

Heavy rain

High:
65°F

Showers and possibly a thunderstorm before 10am, then showers likely. Some of the storms could produce heavy rainfall. High near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Chance of showers and thunderstorms

Overnight low:
56°F

A slight chance of showers before 10pm. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.