Sunday
Mostly sunny
High:
66°F
Mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Costa Mesa, CA Weather - Tomorrow’s Forecast
Sunday Night
Patchy fog
Overnight low:
50°F
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm.