San Mateo, California Weather:
Thursday, March 19, 2026
Sunny Weather
Day 57°
Night 43°
Precipitation 20 %
Wind 13 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 19, 2025)
Cloudy Weather

Day

59°

Night

46°

Wind

6 mph

UV Index

5

Precipitation

25 %