Friday
The cold flow persists through Friday. A widespread frost at first. Then mostly dry with good spells of sunshine, best in central and eastern areas. Always more cloud north and west with a few snow showers around the north and west coasts. Cloud increases later in southern Ireland, southern Wales and southwest England. Highs at 2 to 4C.
 

Friday Night
Cloud continues building from the southeast towards the northwest. Western coasts in the north likely to see patchy drizzle through the night. Frosts likely to form in many places, particularly in the north. Lows at 1 to -2C.

 
 
 

Saturday
Cold again on Saturday. Rain arrives in southern Ireland and southwest England in the morning, some falling as snow in colder areas. This system pushes north and east through the day, bringing widespread snow then rain to Ireland, Wales, and England. Brighter in Scotland with sunny spells, best in the east of Scotland. Scattered showers affecting western and northern areas of Scotland. Highs at a cold 1 to 3C.

Sunday
Low pressure passing across Britain maintains heavy rains in northern England and Wales, reaching much of England through the day. In far north England and Scotland, precipitation mostly falling as snow, some heavy on higher terrain near the Borders and east Highlands. Snow showers along the northwest coast of Scotland, brighter spells possible later in Ireland. Highs at 13C in southern England, 0C in the north.