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Costa Mesa, California Weather:
Tuesday, January 20, 2026
Cloudy Weather
Day 59°
Night 46°
Precipitation 20 %
Wind 6 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Sunny Weather

Day

72°

Night

45°

Wind

12 mph

UV Index

3

Precipitation

0 %