Temperatures could reach 23C (73F) in parts of the UK on Friday, as mostly clear skies bring a bright, sunny start to April.
Parts of southern England have highs in the low 20s forecast for Friday afternoon. The Algarve, in Portugal, is set to see highs of 18C, accompanied by some showers.
Temperatures are expected to remain in the mid to high teens for England, Wales and parts of Scotland over the weekend and into Monday. Skies will be mostly clear, with some cloud expected for eastern Scotland and England on Saturday.