Costa Mesa, California Weather:
Sunday, April 5, 2026
Cloudy Weather
Day 75°
Night 63°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (April 5, 2025)
Sunny Weather

Day

81°

Night

48°

Wind

8 mph

UV Index

8

Precipitation

1 %