Saturday
Low cloud, along with a few coastal mist and fog patches, will affect eastern areas at first but will soon clear, leaving another day of widespread sunshine and locally hot conditions. Scotland will see scattered showers, with a few also developing across northern England during the afternoon. Ireland will enjoy long spells of sunshine, although it will feel a little breezier. Highs of 30 to 32C in the southwest, 20 to 22C across northern areas, but only 16 to 18C along eastern coasts of England and Scotland.

Saturday Night
Any remaining showers will quickly fade during the evening, leaving dry conditions across most areas. Low cloud, along with some mist and fog patches, is expected to redevelop locally along eastern coasts of England and Scotland by dawn. Minimum temperatures of 14C in the north and around 18C in the south.
 

Sunday
An easterly breeze will once again bring areas of low cloud to eastern coasts of England and Scotland, particularly during the morning. A few showers are possible across the Scottish Highlands and northwest Ireland, but elsewhere it will be another dry, sunny and locally hot day. Highs of 28 to 30C across central and southwestern areas, while eastern coastal districts remain much cooler at 16 to 18C.

Monday
A largely dry and sunny day for most, although some low cloud may linger early along eastern coasts of England and Scotland. It will become breezier and slightly hazier across southern England and Ireland later in the day, with a few showers approaching the far south of Ireland and the far southwest of England. Highs of 24 to 26C quite widely, reaching around 30C in the far southwest, while eastern coasts stay noticeably cooler.