Based on the weather in Livingston, West Lothian, United Kingdom as of September 5, 2015 5:13pm local time

Why? Because it's pretty chilly.
Current Conditions
Partly Cloudy
Temp: 57.2°F • 14°C
Wind: 5.6 MPH • 9 KPH
Precip: 0%

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes