Britain is set to be blasted with temperatures of up to 26C this weekend as unusually mild conditions continue until November.
Weather experts suggest October will be unusually mild with "well above average" temperatures.
Hot winds surging from Spain are expected to bring the warm weather until November.
However, forecasters warn that there will be some wet and windy weather ahead of the heat blast.
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The Met Office has issued a yellow weather warning across parts of the UK as many areas may be affected by flash flooding.
Conditions are likely to settle near the end of the week as temperatures heat up by the weekend.
Long-range forecasts suggest the warm weather will continue, with the second half of October likely to experience “above-average” temperatures.
The long-term forecast for October 17 to 31 says: “There is the potential for a slightly more settled pattern of weather during the second half of October, particularly for north-western regions which have a higher likelihood than normal for some drier spells.
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“However, some more unsettled weather is also possible with south-eastern areas likely see more rainfall than usual for late October.
“Temperatures in general are expected to remain above average, with some mild nights also likely, though it could feel chilly in any clear and settled overnight conditions, with occasional mist and fog patches and touches of ground frost possible.”
Last month, the Met Office revealed that it was provisionally the UK’s joint warmest September on record.
Met Office scientific manager Mark McCarthy said: “This September’s temperature records are heavily driven by how significantly warm the first half of the month was.
Long-range forecasts suggest the warm weather will continue, with the second half of October likely to experience 'above-average' temperatures
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“Not only did September have the hottest day of the year – something that has only happened on four previous occasions in our observations – but it also had seven consecutive days where temperatures were above 30C somewhere in the UK, which had never happened in this month in Met Office observations.
“The significantly warm start to September was influenced by high pressure across Europe.
“This helped to draw warmer air over the UK at the start of the month.”
