UK weather forecast – Summer to return with 27C heat but ‘European Monsoon’ to spoil Glastonbury Festival

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SUNSHINE is set to return to Britain with a three-day sizzle starting Monday – but thunderstorms from a “European Monsoon” threaten Glastonbury-goers and Wimbledon watchers.

After this week’s soaking saw June on track to be the coldest in 28 years, Met Office forecasts Mediterranean predict hot air and drier skies that will push 27C at the start of the week.

Hot air and dry skies are forecast to bake Britain after travelling over Europe

But thunderstorms will hit from late Tuesday amid flood fears, with Atlantic fronts hitting the second half of the week and bringing a cool-down to 19C.

The Royal Ascot horse racing, which starts on Tuesday is set for a swelter then a squelch as rains arrive towards the end of the day.

Glastonbury Festival – due to kick off a week on Wednesday – risks mud with more showers due after 77mm of rain soaked Somerset this month, ex-BBC and Met Office forecaster John Hammond of weathertrending said.

And tennis tournament Wimbledon, which runs from July 1-14, faces rain breaks, Mr Hammond warned.


The ‘European Monsoon’ phenomenon was blamed by The Weather Outlook.

The Met Office, which says the ‘European Monsoon’ is caused by westerly winds regaining strength in late June, said the South-East is due dry periods with wet intervals into July, with the North-West wetter.

June 1-13’s average UK maximum temperature was 15.5C.

The last time the average UK maximum temperature was colder over the whole of June was 1991’s 14.8C, Met Office records show.

Met Office forecaster Steven Keates said: “Coming days will feel like summer again and be completely different to the past week.

“Very hot air from the Mediterranean will bring humidity from Monday, with 23C, then 26C and 27C not out of the question on Tuesday and 25C on Wednesday.

“But thunderstorms push across the UK from late Tuesday and through Wednesday. Weather warnings would not be a surprise.

“The Atlantic looks like dominating the second half of the week, with cooler conditions and wetter especially in the North-West.


“The preferred scenario from June 24 and into early July is the South-East seeing drier conditions but with unsettled interludes, and the North-West having wetter conditions.”

Ex-BBC and Met Office forecaster John Hammond of weathertrending said: “Summer will make a comeback, with temperatures ahead more than 10C warmer than one of the wettest and coldest June spells on record.

“But for Glastonbury, given recent rain and continuing showers, it won’t take much for things to turn muddy. Pack the wellies.

“Long-range forecasts suggest a wetter early July. It will be bad news for Wimbledon if this signal strengthens.”

The Weather Outlook forecaster Brian Gaze said: “Highs could reach 27C by midweek but it looks mixed for Glastonbury.

“Early summer sees the ‘European monsoon’ phenomenon bring wet periods.”

In a statement, the Met Office explained: “The ‘European Monsoon’ is an ill-defined phenomenon that may see a return to more westerly winds between late June and early July, following a possible weakening of typical westerly winds in late spring.”

Alamy Live News

Brits will be able to bask in 27C heat on Tuesday before the sunshine disappears in that evening[/caption]

Festival-goers are likely to face mud and weekend washout as the thunderstorms hit following the brief summer sun

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