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Story summary
- Parts of the United Kingdom will experience the hottest day of the year on Wednesday with temperatures around 20C.
- East to south-easterly winds over high ground create the Foehn effect, contributing to the warm spell.
- England and Wales will be sunny.
- Scotland and Northern Ireland will be cloudy with rain.
- By Friday, temperatures are expected to fall toward seasonal averages, bringing chilly nights and possible frost.
