San Mateo, California Weather:
Thursday, June 18, 2026
Cloudy Weather
Day 75°
Night 57°
Precipitation 25 %
Wind 11 mph
Weather Forecast History
Last Year's Weather on This Day (June 18, 2025)
Cloudy Weather

Day

79°

Night

54°

Wind

12 mph

UV Index

11

Precipitation

25 %