Costa Mesa, CA Weather - Tomorrow’s Forecast

Monday

Becoming sunny

High:
79°F

Partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the morning.

Monday Night

Clouds increasing

Overnight low:
65°F

Increasing clouds, with a low around 65. West wind 5 to 10 mph becoming light and variable after midnight.