San Mateo, California Weather:
Thursday, April 9, 2026
Partly Sunny with Showers
Day 70°
Night 57°
Precipitation 85 %
Wind 7 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (April 9, 2025)
Sunny Weather

Day

73°

Night

50°

Wind

7 mph

UV Index

7

Precipitation

0 %