Weather in London is set to change as WXCharts data showed a 220-mile band of rain forecast for July 19 after Britain’s third heatwave of the year. The map points to a switch from temperatures beyond 30C to a wetter spell next weekend.
WXCharts and MetDesk data
Fresh weather maps from WXCharts, using MetDesk data, showed changeable conditions returning next weekend. The same forecast put rain across 25 counties, with one band stretching from Cumbria in North West England to Northamptonshire in the East Midlands.
That reach matters for anyone trying to plan around the forecast because it is not a narrow shower line. It is a broad belt of rain, and the source describes it as 220 miles long. Suffolk was expected to receive up to 7.5mm/hr next Sunday, which gives a sense of how quickly the rain could build in places inside the wider band.
The Met Office outlook
The Met Office outlook for July 15 to 24 said the period would start with broadly settled weather for the north of the UK, while thunderstorms could affect the south of the UK from France at times. It also said the weekend could turn more unsettled from the south before more settled conditions arrived from the west.
The same outlook said cloud and longer spells of rain threatened the NW and possibly running through the UK at times. Temperatures would be warm or very warm initially and perhaps hot at times in the southwest, before likely easing to warm or near average over the weekend, though further hot spells were still possible especially in the south.
July 19 rain band
For people in London and along the wider route of the forecast, the practical question is how fast the shift arrives rather than whether it happens. The source does not give a London-specific rainfall total, but it does show a tight timeline: heat first, then a broad rain band on July 19, with next weekend carrying the risk of more unsettled conditions across a wider stretch of the UK.
