Monday
High pressure resides over the country. A foggy start for some, particularly across England into Wales. Dry overall with lengthy spells of sunshine. There will be a strengthening wind across Northern Ireland and Scotland where cloud will thicken later in the day and some patchy rain and drizzle will reach western regions of Ireland. Starting chilly with widespread frost, many rural areas starting below freezing. Highs around 5 to 8C by the afternoon.

Monday night
Dropping quickly chilly into the evening as skies remain clear. Early frost forming and some fog patches developing, particularly central and eastern England and east Wales. Cloudier toward the northwest of Britain and Ireland with a south to southwesterly breeze here. Generally dry. Risk of a little light rain encroaching into the far west of Scotland and Ireland. Falling toward freezing in many areas, or below zero in the countryside. Milder nearer western coasts.

Tuesday
Some rather dense mist and fog patches across many parts of England and Wales at first. This will only slowly clear, but when it does expect bright and sunny skies. Cloudier and windier further north with outbreaks of rain pushing into Northern Ireland, parts of Scotland into regions of northern England. A mild day particularly toward the north and west with highs at 7 to 10C, but cooler across central and eastern England where fog lingers.

Wednesday
A cloudier day across England and Wales as a weak front sinks south down the country on Wednesday bringing patchy rain for a time to northern and central areas. Staying mostly dry further for southern counties. Somewhat milder for England and Wales too. A mainly dry, bright and slightly cooler day across Scotland and Northern Ireland, some snow showers on the mountains in the north. Highs at 5 to 10C.