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Costa Mesa, California Weather:
Wednesday, February 18, 2026
Cloudy Weather
Day 63°
Night 48°
Precipitation 70 %
Wind 7 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (February 18, 2025)
Cloudy Weather

Day

63°

Night

46°

Wind

4 mph

UV Index

4

Precipitation

0 %