London is forecast to experience a prolonged heatwave, with temperatures expected to stay well above average for nearly two weeks, according to multiple reports. The outlook points to a rise in conditions early in the week, with temperatures expected to reach around 32°C on Monday. After that peak, the warm weather is predicted to persist into the following days, with temperatures remaining significantly higher than typical seasonal levels through next week. The coverage across outlets aligns on the duration of the event and the expected early-week high, describing a sustained period of unusually warm conditions rather than a short spike in temperatures. The reports frame the heat as a continued weather feature, with the main emphasis on how long above-average temperatures are expected to last. No additional details about specific health impacts or official advisories are included in the provided excerpts.