14-day weather forecast for London . Get the latest weather forecast for London , United Kingdom. View live conditions, a 7-day forecast, hourly updates, air quality index, and more. Hourly weather forecast in London for the next 15 days: temperature , precipitation, wind, sun, cloud, rain, snow, humidity, pressure, fog, thunder. London, London, United Kingdom Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days.