Yes

Based on the weather in Northolt, Ealing, Greater London, United Kingdom as of February 14, 2016 4:47pm local time

Why? Because it's pretty chilly.
Current Conditions
Clear
Temp: 40.1°F4.5°C
Wind: 13.6 MPH21.8 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes