Costa Mesa, CA Weather - Extended Forecast

Thursday

Patchy fog

High:
78°F

Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning.

Thursday Night

Clouds increasing

Overnight low:
64°F

Increasing clouds, with a low around 64.

Friday

Clouds clearing

High:
74°F

Mostly cloudy, then gradually becoming sunny, with a high near 74.

Friday Night

Clouds increasing

Overnight low:
63°F

Increasing clouds, with a low around 63.

Saturday

Clouds clearing

High:
74°F

Saturday Night

Clouds increasing

Overnight low:
63°F

Sunday

Clouds clearing

High:
75°F

Sunday Night

Clouds increasing

Overnight low:
63°F

Monday

Clouds clearing

High:
74°F