Costa Mesa, California Weather:
Tuesday, February 17, 2026
Rainy Weather
Day 61°
Night 52°
Precipitation 65 %
Wind 20 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (February 17, 2025)
Cloudy Weather

Day

63°

Night

52°

Wind

4 mph

UV Index

4

Precipitation

0 %