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San Mateo, California Weather:
Monday, December 22, 2025
Cloudy Weather
Day 54°
Night 45°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (December 22, 2024)
Partly Sunny with Showers

Day

64°

Night

57°

Wind

4 mph

UV Index

1

Precipitation

60 %