San Francisco, California Weather:
Saturday, September 19, 2026
Cloudy Weather
Day 70°
Night 59°
Precipitation 0 %
Wind 13 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 19, 2025)
Cloudy Night

Day

68°

Night

61°

Wind

7 mph

Precipitation

1 %