Why is San Francisco, CA so foggy?

Pacific air flows through the Golden Gate and keeps neighborhoods near the ocean 20 to 25°F cooler than inland areas on the same summer afternoon, creating a city of microclimates within miles of each other.

What is San Francisco, California's record high temperature?

San Francisco's record high is 106°F, reached during the September 2017 heat dome, startling a city known for its mild climate.

What is San Francisco, California's record low temperature?

San Francisco's record low is 27°F.

How much rain does San Francisco, CA get per year?

San Francisco receives only about 24 inches of rain per year, but atmospheric river events can deliver several times that in a single winter.

Weather in San Francisco, CA

Enter a ZIP code to load radar.

Loading air quality...

Loading aurora data...

San Francisco, CA Weather