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San Mateo, California Weather:
Tuesday, December 9, 2025
Cloudy Weather
Day 55°
Night 48°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (December 9, 2024)
Night

Day

63°

Night

43°

Wind

6 mph

Precipitation

0 %