San Mateo, California Weather:
Saturday, May 23, 2026
Cloudy Weather
Day 66°
Night 48°
Precipitation 0 %
Wind 9 mph
Weather Forecast History
Last Year's Weather on This Day (May 23, 2025)
Cloudy Weather

Day

64°

Night

52°

Wind

14 mph

UV Index

10

Precipitation

1 %