Costa Mesa, CA Weather - Extended Forecast

Saturday

Partly sunny

High:
65°F

Partly sunny, with a high near 65. Southeast wind around 5 mph becoming calm.

Saturday Night

Patchy fog

Overnight low:
49°F

Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 49. Calm wind becoming east around 5 mph.

Sunday

Patchy fog

High:
63°F

Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63.

Sunday Night

Patchy fog

Overnight low:
47°F

Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 47.

Monday

Patchy fog

High:
64°F

Monday Night

Patchy fog

Overnight low:
47°F

Tuesday

Patchy fog

High:
66°F

Tuesday Night

Partly cloudy

Overnight low:
47°F

New Year's Day

Mostly sunny

High:
68°F

Wednesday Night

Partly cloudy

Overnight low:
48°F

Thursday

Mostly sunny

High:
70°F