The application of the website Meteo-Londres.eu, the best one for London !
London-weather.pro is dedicated to give precise forecast for Greater London and accurate informations on a day-to-day basis. Forecasts are updated several times a day by profesional meteorologists. It is linked to a regional network of weather stations and webcams.
See detail information and download apk file for your android phone: https://goo.gl/2xb6ba