San Mateo, California Weather:
Thursday, September 24, 2026
Sunny Weather
Day 73°
Night 57°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 24, 2025)
Cloudy Night

Day

81°

Night

63°

Wind

5 mph

Precipitation

55 %