Sunday
Clouds clearing
High:
65°F
Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Costa Mesa, CA Weather - Tomorrow’s Forecast
Sunday Night
Patchy fog
Overnight low:
49°F
Patchy fog after 10pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southeast wind around 5 mph becoming calm after midnight.