San Mateo, California Weather:
Tuesday, March 31, 2026
Cloudy Weather
Day 64°
Night 50°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (March 31, 2025)
Rainy Weather

Day

61°

Night

48°

Wind

15 mph

UV Index

5

Precipitation

96 %