San Mateo, California Weather:
Sunday, March 15, 2026
Stormy Weather
Day 57°
Night 46°
Precipitation 5 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

61°

Night

48°

Wind

7 mph

UV Index

4

Precipitation

25 %