Costa Mesa, California Weather:
Wednesday, May 6, 2026
Cloudy Weather
Day 64°
Night 59°
Precipitation 6 %
Wind 8 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (May 6, 2025)
Cloudy Weather

Day

68°

Night

57°

Wind

7 mph

UV Index

6

Precipitation

25 %