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Costa Mesa, California Weather:
Saturday, January 31, 2026
Cloudy Weather
Day 59°
Night 46°
Precipitation 20 %
Wind 10 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (January 31, 2025)
Cloudy Weather

Day

63°

Night

43°

Wind

4 mph

UV Index

4

Precipitation

0 %