San Francisco, California Weather:
Sunday, September 21, 2025
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 59°

Weather Forecast History

Last Year's Weather on This Day (September 21, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

68°

Night

54°

Wind

9 mph

UV Index

5

Precipitation

0