Costa Mesa, California Weather:
Sunday, May 31, 2026
Cloudy Weather
Day 66°
Night 61°
Precipitation 49 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 31, 2025)
Cloudy Weather

Day

79°

Night

64°

Wind

6 mph

UV Index

11

Precipitation

25 %