Monday
Patchy fog
High:
78°F
Patchy fog between 8am and 11am. Otherwise, sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Costa Mesa, CA Weather - Tomorrow’s Forecast
Monday Night
Patchy fog
Overnight low:
63°F
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.