San Mateo, California Weather:
Tuesday, September 8, 2026
Cloudy Weather
Day 72°
Night 57°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 8, 2025)
Rainy Weather

Day

81°

Night

63°

Wind

7 mph

Precipitation

55 %