San Mateo, California Weather:
Monday, May 4, 2026
Cloudy Weather
Day 66°
Night 54°
Precipitation 0 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (May 4, 2025)
Cloudy Weather

Day

68°

Night

54°

Wind

11 mph

UV Index

10

Precipitation

0 %