Costa Mesa, California Weather:
Wednesday, May 27, 2026
Cloudy Weather
Day 61°
Night 59°
Precipitation 2 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (May 27, 2025)
Cloudy Weather

Day

72°

Night

61°

Wind

7 mph

UV Index

11

Precipitation

0 %