Costa Mesa, California Weather:
Thursday, April 30, 2026
Cloudy Weather
Day 68°
Night 59°
Precipitation 13 %
Wind 7 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (April 30, 2025)
Cloudy Weather

Day

66°

Night

57°

Wind

7 mph

UV Index

9

Precipitation

1 %