Saturday
Mostly cloudy
High:
73°F
Mostly cloudy, with a high near 73. Southwest wind 5 to 10 mph.
Costa Mesa, CA Weather - Extended Forecast
Saturday Night
Mostly cloudy
Overnight low:
59°F
Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming southeast after midnight.
Sunday
Becoming sunny
High:
73°F
Cloudy through mid morning, then gradual clearing, with a high near 73.
Sunday Night
Clouds increasing
Overnight low:
59°F
Increasing clouds, with a low around 59.
Monday
Becoming sunny
High:
73°F
Monday Night
Mostly clear
Overnight low:
60°F
Tuesday
Mostly sunny
High:
74°F
Tuesday Night
Clouds increasing
Overnight low:
62°F
Wednesday
Mostly sunny
High:
74°F
Wednesday Night
Mostly clear
Overnight low:
62°F
Thursday
Becoming sunny
High:
74°F