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Costa Mesa, California Weather:
Thursday, March 12, 2026
Cloudy Weather
Day 68°
Night 55°
Precipitation 100 %
Wind 9 mph
Weather Forecast History
Last Year's Weather on This Day (March 12, 2025)
Rainy Weather

Day

63°

Night

52°

Wind

9 mph

UV Index

5

Precipitation

97 %