Yes

Based on the weather in London, UK as of December 3, 2021 1:01am local time

Why? Because it's cold. simple as that.

Now

Drizzle
Temp: 34°F1°C
Wind: 6 MPH10 KPH
Precipitation: 68% rain

Today

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes

Tomorrow

Yes

Possible light rain in the morning and overnight.
Low of 38°F4°C, High of 46°F8°C
Wind: 10 MPH16 KPH
Precipitation: 89% rain