"Floehr provided the Observer with separate data on 12 forecasters covering 29 UK locations during 2017. In a composite measure of accuracy, the Weather Channel and Weather Underground came top"
Good news because both those apps are calling for significantly lower temperatures all week than the gloomy airport based Environment Canada. 30C rather than 35? I'll take it. Mind, it's purely psychological relief, because Out There is still hot by anyone's definition.