Monday could be the warmest early May bank holiday on record, with temperatures expected to be in the region of 27C in the south east of England, according to the Met Office.
The mercury could hit 28C in some parts of England as people round off their three-day weekend - making it the hottest in almost two decades.
Met Office meteorologist Mark Wilson told Sky News: "We have a lovely weekend on the way, with high pressure dominating".
The outlook for Sunday and Monday will also remain dry with plenty of sunshine and light winds, becoming humid by Tuesday with a risk of some sporadic thundery showers developing later.
'In Scotland there will be a band of rain but it will be still quite warm, the east will be sunnier than the west'.
Temperatures day by day are going to creep up.
That is hotter than the French Riviera and the Costa del Sol!, where Malaga is forecasting highs of 22C.
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A security guard was directing women to another washroom a floor below, but the men's and family washrooms were still accessible. The women's washroom remained closed until after 3 p.m., when the body, contained in a body bag, was wheeled out on a gurney.
The month's lowest temperature was on 1 May 1979 - 1.6C in Knockan Rock in the Highlands.
"It's very, very likely we'll beat the 1999 record".
Ms Yeomans said: 'Monday should be the warmest Spring Bank Holiday on record, the highest temperature on record is 23°C but we are expecting it to be 28°C on Monday.
The average high for the May Bank Holiday in London is about 18C.
Unfortunately the good weather probably won't last long.
Between Saturday and Monday Liverpool's mainline services will be reduced, with some replaced by buses or diverted via Manchester.
Rail connections to the UK's busiest airport, Heathrow, will be severed on Sunday, when there will also be no trains serving London Paddington.