Costa Mesa, CA Weather - Extended Forecast

Sunday

Mostly sunny

High:
68°F

Mostly sunny, with a high near 68. Southeast wind 5 to 10 mph becoming west in the afternoon.

Sunday Night

Patchy fog

Overnight low:
54°F

Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54. Southwest wind 5 to 10 mph becoming southeast after midnight.

Monday

Patchy fog

High:
69°F

Patchy fog before 11am. Otherwise, mostly sunny, with a high near 69.

Monday Night

Patchy fog

Overnight low:
55°F

Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55.

Tuesday

Patchy fog

High:
68°F

Tuesday Night

Clouds increasing

Overnight low:
55°F

Wednesday

Clouds clearing

High:
69°F

Wednesday Night

Clouds increasing

Overnight low:
57°F

Thursday

Clouds clearing

High:
70°F

Thursday Night

Clouds increasing

Overnight low:
57°F

Friday

Clouds clearing

High:
69°F