When should you turn on your heating?To play this video you need to enable JavaScript in your browser.This video can not be playedWhen should you turn on your heating?CloseGet the latest weather forecast here.SectionNewsPublished18 SeptemberShareclose panelShare pageCopy linkAbout sharingRelated topicsWeather forecastingFollow Weather forecastingclose panelYou are now following Weather forecastingUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description