Thursday
Mostly sunny
High:
78°F
Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Costa Mesa, CA Weather - Tomorrow’s Forecast
Thursday Night
Chance of showers
Overnight low:
59°F
A chance of showers and thunderstorms between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Low around 59. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.