Costa Mesa, California Weather:
Sunday, April 19, 2026
Rainy Weather
Day 64°
Night 61°
Precipitation 55 %
Wind 15 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (April 19, 2025)
Sunny Weather

Day

68°

Night

52°

Wind

7 mph

UV Index

9

Precipitation

1 %