San Mateo, California Weather:
Sunday, May 17, 2026
Cloudy Weather
Day 72°
Night 52°
Precipitation 2 %
Wind 9 mph
Weather Forecast History
Last Year's Weather on This Day (May 17, 2025)
Windy Weather

Day

64°

Night

50°

Wind

20 mph

UV Index

10

Precipitation

4 %