San Mateo, California Weather:
Thursday, July 23, 2026
Cloudy Weather
Day 70°
Night 55°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 23, 2025)
Cloudy Night

Day

75°

Night

57°

Wind

8 mph

Precipitation

1 %