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Costa Mesa, California Weather:
Friday, January 2, 2026
Rainy Weather
Day 66°
Night 54°
Precipitation 55 %
Wind 7 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 2, 2025)
Partly Sunny with Showers

Day

70°

Night

48°

Wind

2 mph

UV Index

3

Precipitation

49 %