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San Mateo, California Weather:
Thursday, January 1, 2026
Cloudy Weather
Day 57°
Night 43°
Precipitation 25 %
Wind 2 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 1, 2025)
Partly Sunny with Showers

Day

59°

Night

46°

Wind

4 mph

UV Index

2

Precipitation

49 %