Costa Mesa, California Weather:
Wednesday, July 8, 2026
Sunny Weather
Day 70°
Night 63°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 8, 2025)
Cloudy Weather

Day

79°

Night

66°

Wind

8 mph

UV Index

11

Precipitation

0 %