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San Mateo, California Weather:
Sunday, December 28, 2025
Sunny Weather
Day 54°
Night 39°
Precipitation 5 %
Wind 5 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 28, 2024)
Rainy Weather

Day

63°

Night

55°

Wind

4 mph

UV Index

1

Precipitation

55 %