Best Cool Days in San Francisco, CA

Looking for the best cool days in San Francisco, CA? Best Days scans the next 46 days of weather data and ranks each day by how well it matches your preference — crisp cool days, great for hiking and exploring. San Francisco's microclimate is famously cool and foggy, with the warmest sunniest days often arriving in September and October rather than summer.

Best Days

See when ideal weather is coming so you can plan ahead.

Try:

  1. Search your city or use your location
  2. Pick the weather you want (sunny, snowy, rainy, etc.)
  3. Plan ahead with up to 7 best days from the next 46 days

I want…