Sunday
Sunny
High:
76°F
Sunny, with a high near 76. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Costa Mesa, CA Weather - Extended Forecast
Sunday Night
Clouds increasing
Overnight low:
56°F
Increasing clouds, with a low around 56.
Monday
Mostly cloudy
High:
74°F
Mostly cloudy, with a high near 74.
Monday Night
Mostly cloudy
Overnight low:
57°F
Mostly cloudy, with a low around 57.
Tuesday
Chance of showers and thunderstorms
High:
70°F
Tuesday Night
Chance of showers and thunderstorms
Overnight low:
55°F
Wednesday
Chance of showers and thunderstorms
High:
70°F
Wednesday Night
Partly cloudy
Overnight low:
54°F
Thursday
Partly sunny
High:
70°F