San Francisco, California Weather:
Wednesday, September 23, 2026
Cloudy Weather
Day 70°
Night 57°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (September 23, 2025)
Cloudy Night

Day

90°

Night

63°

Wind

9 mph

Precipitation

1 %