- Parts of Britain are forecast to experience temperatures as high as 20C this week, potentially making it the warmest day of the year so far.
- Wales and western England are expected to see the highest temperatures on Wednesday, surpassing the forecast 13C in Athens.
- This warm spell is attributed to east to south-easterly winds passing over high-pressure areas, a phenomenon known as the Foehn effect.
- While England and Wales will enjoy clear skies and rising temperatures from Tuesday afternoon, Scotland and Northern Ireland are predicted to remain overcast and rainy.
- The warm weather is set to continue into Thursday, but temperatures will cool towards the seasonal average by Friday, with chilly nights expected despite the daytime warmth.
IN FULL
Britain to be warmer than Athens this week with temperatures set to soar