Costa Mesa, California Weather:
Sunday, April 12, 2026
Rainy Weather
Day 61°
Night 57°
Precipitation 57 %
Wind 9 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (April 12, 2025)
Cloudy Weather

Day

66°

Night

57°

Wind

6 mph

UV Index

9

Precipitation

0 %