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San Mateo, California Weather:
Friday, February 20, 2026
Stormy Weather
Day 59°
Night 45°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (February 20, 2025)
Sunny Weather

Day

64°

Night

43°

Wind

7 mph

UV Index

4

Precipitation

0 %