If temperatures reach that level it will be the hottest in 40 years, according to Sky weather presenter Jo Edwards. "28C is likely, and we could nudge closer to 29C".
Paddy McGuinness gets the beers in as stuck motorists soak up bank holiday delay on "car park" M62Sun worshippers are set to sizzle in the spring heatwave, with Bank Holiday Monday forecast to be the hottest since records began.
Monday is set to eclipse that record with temperatures expected to reach 28ºC.
And for anyone lucky enough to be having an extra-long bank holiday break, the good news is that it looks set to continue on Tuesday too.
She says high pressure is keeping the weather calm and settled at the moment, adding: "It would have to be a truly freakish turn of nature that would cool things down now".
Edwards added: The second record would be that of "hottest ever Spring bank holiday weekend" and this one might be a little harder to achieve.
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Chris Bulmer, deputy chief meteorologist at the Met Office said: "We can't promise wall to wall sunshine for everyone this bank holiday weekend, however, it's looking like most of us will get some prolonged warm sunshine at times".
But forecasters warn the warm sunshine will lead to higher than normal levels of UV radiation, meaning a risk of sunburn.
'There's also a 30 per cent chance Monday will exceed 83.5F to be the warmest day recorded over this holiday weekend since 1978.
Temperatures peaked yesterday at 26.3C at Heathrow.
The mercury hit 22.3C in Edinburgh, while 20.8C was recorded in Katesbridge in County Down - resulting in Sunday recorded as the hottest day of 2018 in Scotland and Northern Ireland.
Bookmaker Coral has cut the odds on this month seeing the hottest May day ever recorded to 6-4 from 2-1.