Yes
Based on the weather in San Bernardino, CA, USA as of December 8, 2019 3:33am local time
Why? Because it's not very warm out.
Now
Overcast
Temp: 56°F14°C
Wind: 2 MPH3 KPH
Precipitation: None
Temp: 56°F14°C
Wind: 2 MPH3 KPH
Precipitation: None
Today
Next 2 hours: Yes
Next 4 hours: Yes
Next 8 hours: Yes
Tomorrow
Yes
Clear throughout the day.Low of 46°F8°C, High of 68°F20°C
Wind: 6 MPH10 KPH
Precipitation: 19% rain