Costa Mesa, California Weather:
Tuesday, May 5, 2026
Cloudy Weather
Day 63°
Night 55°
Precipitation 9 %
Wind 8 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (May 5, 2025)
Cloudy Weather

Day

66°

Night

57°

Wind

7 mph

UV Index

5

Precipitation

25 %