Weather maps predict temperatures will surge to 26C across parts of the UK at the start of May, with 74 counties including Cambridgeshire expected to see highs of 20C or above
Weather forecasting maps indicate that temperatures could climb to as high as 26C in certain parts of the UK in the coming days.
The data reveals that up to 74 counties across England, Scotland and Wales are set to experience temperatures of 20C or above at the beginning of May. Northern Ireland is forecast to reach a slightly lower peak of 19C.
According to the GFS weather model, the temperature rise will begin on 4 May, with 21C and 22C expected across much of southern and central England. North Wales could also enjoy highs of 21C at around 6pm.
The mercury is forecast to continue climbing throughout the week, reaching 24C in the south-east on 5 May, with London benefiting most from the warmth. Parts of Scotland could touch 20C at 6pm, while Wales may see highs of 23C.
The GFS model data suggests 6 May will be the hottest day, with temperatures of up to 26C in and around London. The Midlands, Yorkshire and East Anglia could all record highs of between 24C and 25C, though Northern Ireland and Scotland are expected to remain considerably cooler, reports the Mirror.
Across this three-day period, the maps indicate that 74 counties or county boroughs could reach 20C or above, with the south-east of England experiencing the most intense heat.
UK regions facing 20C or above in May
England
- Bedfordshire
- Berkshire
- Bristol
- Buckinghamshire
- Cambridgeshire
- Cheshire
- City of London
- Cornwall
- County Durham
- Cumbria
- Derbyshire
- Devon
- Dorset
- East Riding of Yorkshire
- East Sussex
- Essex
- Gloucestershire
- Greater London
- Greater Manchester
- Hampshire
- Herefordshire
- Hertfordshire
- Isle of Wight
- Kent
- Lancashire
- Leicestershire
- Lincolnshire
- Merseyside
- Norfolk
- North Yorkshire
- Northamptonshire
- Northumberland
- Nottinghamshire
- Oxfordshire
- Rutland
- Shropshire
- Somerset
- South Yorkshire
- Staffordshire
- Suffolk
- Surrey
- Tyne and Wear
- Warwickshire
- West Midlands
- West Sussex
- West Yorkshire
- Wiltshire
- Worcestershire
Wales
- Gwynedd
- Conwy
- Denbighshire
- Flintshire
- Wrexham
- Powys
- Ceredigion
- Pembrokeshire
- Carmarthenshire
- Swansea
- Neath Port Talbot
- Bridgend
- Vale of Glamorgan
- Cardiff
- Rhondda Cynon Taf
- Merthyr Tydfil
- Caerphilly
- Blaenau Gwent
- Torfaen
- Monmouthshire
- Newport
Scotland
- Roxburghshire
- Kirkcudbrightshire
- Morayshire
- Banffshire
Despite the scorching conditions, this hot period at the beginning of May is unlikely to be classified as an official heatwave. A heatwave is formally declared when temperatures meet or surpass the heatwave threshold for three days running.
The heatwave threshold ranges from 25C to 28C throughout the UK. It sits at 28C in the south-east of England where conditions tend to be hotter, and falls to 25C the further north you travel.



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