Costa Mesa, California Weather:
Friday, July 17, 2026
Cloudy Weather
Day 72°
Night 64°
Precipitation 5 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (July 17, 2025)
Cloudy Weather

Day

75°

Night

64°

Wind

8 mph

UV Index

10

Precipitation

3 %