Yes

Based on the weather in San Francisco, CA 94158, USA as of March 3, 2021 1:23am local time

Why? Because it's pretty chilly.

Now

Possible Drizzle
Temp: 52°F11°C
Wind: 3 MPH5 KPH
Precipitation: 58% rain

Today

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes

Tomorrow

Yes

Clear throughout the day.
Low of 45°F7°C, High of 56°F14°C
Wind: 7 MPH11 KPH
Precipitation: 12% rain