San Mateo, California Weather:
Monday, March 9, 2026
Cloudy Weather
Day 66°
Night 50°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (March 9, 2025)
Cloudy Weather

Day

64°

Night

45°

Wind

6 mph

UV Index

5

Precipitation

0 %