Yes
Based on the weather in San Francisco, CA 94158, USA as of February 18, 2020 2:16am local time
Why? Because it's pretty chilly.
Now
Clear
Temp: 53°F12°C
Wind: 4 MPH7 KPH
Precipitation: None
Temp: 53°F12°C
Wind: 4 MPH7 KPH
Precipitation: None
Today
Next 2 hours: Yes
Next 4 hours: Yes
Next 8 hours: Yes
Tomorrow
Yes
Partly cloudy throughout the day.Low of 46°F8°C, High of 60°F16°C
Wind: 4 MPH6 KPH
Precipitation: 11% rain