Today is forecast to peak at 20C in Canterbury today, but will feel much hotter in direct sunshine.
And temperatures are set to soar as high as 24C tomorrow (Tuesday) as most people return to work after a busy weekend which saw the two-day City Sound Project in the Park fesival.
But forecasters are warning that as we head further into May, conditions will cool.
By Thursday, it will be just 15C with rain on the cards.
The Met Office is forecasting that it will not reach higher than 17C for the whole of the next fortnight up to Sunday, May 20.
Chief meteorologist Andy Page said: “Most of us will continue to have blue skies and sunshine on Bank Holiday Monday.
“It will be very warm again in the sunshine and we are expecting this to be the hottest early May Bank Holiday Monday on record.
“It’s also possible that temperatures today will make it the hottest early May Bank Holiday weekend on record.
“The sunshine and heat won’t last much longer though, with the high pressure area that has brought the fine conditions gradually giving way to fresher winds and showers from the Atlantic over the next couple of days.”
The Met Office is also advising that the sun is strong at this time of year, so anyone outside should protect themselves from UV rays and stay hydrated. It is still tree pollen season and levels are expected to rise again in the sunshine over the next few days.
The hottest ever May Bank Holiday Monday was recorded at the village of Martyr Worthy near Winchester in Hampshire on May 3, 1999 when temperatures hit 23.6C. Worcester and Malvern recorded similar highs on the same day.