While high pressure is set to keep the weather dry this week, one forecaster has said there is no sign of any "prolonged" warmth on the way. Temperatures are set to increase during this week rising from around 16°C on Monday to 18°C by the weekend in parts of Wales.
While there have been some reports of a 35°C 'African plume' heatwave, BBC forecaster Tomasz Schafernaker said on the BBC Countryfile forecast on Sunday (May 14): "There is an area of high pressure bringing a lot of dry weather around and there will be a gentle rise in the temperature from a little below the average to a little on the average for the time of year by the end of the week.
"At the moment no prolonged warmth on the way."
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This is the temperature increase for Cardiff this week:
Met Office operational meteorologist Tom Morgan said: "We are currently forecasting temperatures of 22 or 23°C later this week in parts of the UK. These may exceed the current highest temperature of the 2023 so far which currently stands at 22.6°C, recorded at Virginstow, Devon on Saturday (May 13).
"As for 35°C “African Plumes” – there are currently no indications of any hot weather in the UK during the next two weeks. There’s a chance of some warm weather, especially in western areas of the UK, but temperatures in the low to mid 20s are most likely, which is fairly typical for the time of year."
The Met Office long-range forecast for the whole of this weekend says: "Into the weekend a high-pressure ridge is most likely to extend across the UK, resulting in a good amount of fine and dry weather for most. Into the next week a continuation of these settled conditions is expected, with fine and dry weather for many.
"The greatest chance of rain or showers is for the far northwest and southeast. Winds staying generally light, although possibly a bit stronger in the far south, southeast and northwest. Temperatures most likely above average overall, although most likely closer to average in the southeast of the UK."
The forecasting service says there will be "an increased likelihood of above average temperatures" going into June.
Forecasters said: "The most likely scenario for the end of May is for drier weather in the north, with an increased chance of periods of rain and possibly thunder in the south and southwest.
"Into June, high pressure is predicted to remain dominant, especially for northern areas, with cloud, rain and showers more likely to the south, although there is a level of uncertainty associated with this. An increased likelihood of above average temperatures for many."
The BBC Weather long range forecast says: "Late May and early June will most likely see a ridge of high pressure across the northern UK, with low pressure away to the south and south-west. It should, therefore, stay drier than average but there will be chances of showery and perhaps thundery outbreaks occasionally drifting northwards into England and Wales.
"Temperatures are going to be a little above average on the whole; but with winds likely to come from the east much of the time, eastern coasts could be much cooler."
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