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Costa Mesa, California Weather:
Monday, February 9, 2026
Cloudy Weather
Day 57°
Night 46°
Precipitation 20 %
Wind 6 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (February 9, 2025)
Partly Sunny with Showers

Day

64°

Night

48°

Wind

4 mph

UV Index

4

Precipitation

40 %