High pressure will send temperatures soaring into the mid-twenties in south eastern areas including London and Surrey from tomorrow, according to the latest hot weather maps from Netweather. The sweltering heat will sweep further north as the week progresses, with York and Hull hit with highs of 23C that will linger until the weekend. Portsmouth and Southampton will experience 26C by Thursday afternoon, as the latest charts turn red.
London will then be blasted with 26C on Saturday.
A swathe of high pressure will sweep over the UK in a westerly direction from the Atlantic, maps from WX CHARTS show.
The maps indicate the intensity of the heat hitting the UK from today, as shades of yellow and orange cover most of the south east, as well as along the north east of England and Scotland.
Terry Scholey at Netweather said: “Eastern and some central parts start the new working week fine, but cloud will slowly increase from the West.
“For much of East Anglia, the South East and the South it’ll stay dry despite more cloud later.
“A South to South West wind will become strong to gale force in the far North and West with top temperatures 14 to 16C in the rain, 18 to 20C elsewhere, with 21 or locally 22C possible in the South.”
The latest forecast on Weather Outlook added Monday will start with downpours of rain, before the heat hits tomorrow.
The forecast said: “Tomorrow temperatures could reach 26C.
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“Central and eastern England have a dry day with variable amounts of cloud.
“A few brighter spells could also develop in central and eastern Scotland this afternoon.
“Temperatures range from 12C (54F) in the north west to 20C (68F) in the south east.”
In its long range weather forecast, the Met Office predicted temperatures to be “slightly above average in the south” during September.
The latest Met Office forecast also predicts “sunny spells” from Tuesday.
It said: “Rain in the northwest, heavy at first, edging southwards.
“Fog patches clearing the south then brighter, though cloud increasing.
“Feeling warmer across parts of the east.
“Tonight, some clear spells over Scotland otherwise cloudy with rain and drizzle for western coasts and hills through the night. A mild night for all.
“On Tuesday, some sunny spells for east Scotland and northeast England otherwise mostly cloudy with light rain for western coasts and hills.
“Heavier rain in the north later. Warm in any brightness.”
“Patchy light rain clearing southwards Wednesday.
“Sunny spells and showers further north. Dry with sunny periods Thursday.
“Cloud and rain in the north Friday, dry and bright in the south.