Dry and largely clear overnight, with a widespread frost developing.
This Evening and Tonight:
This evening and overnight will remain dry and clear across Wales. Under the clear skies temperatures will quickly fall below freezing, with a widespread hard frost developing by dawn. Minimum Temperature -3C.
A frosty but bright start will lead to another dry day across the country, with plenty of sunny spells. Feeling a touch colder than today in the easterly breeze. Maximum Temperature 6C.
Outlook for Saturday to Monday:
Very cold on Saturday and Sunday but dry with generally sunny. Monday will be even colder, with more in the way of cloud and perhaps a few snow showers.
Day 6 to 15
It will continue very cold through next week, with sunny spells. However, snow showers are likely in many places, heaviest and most frequent in eastern and some central areas. Some spells of more prolonged snow are likely, especially in the east, and particularly later next week, across southern areas. Some locally significant snowfalls are likely although details will remain uncertain until much nearer the event. Strong winds will make it feel bitterly cold at times. Widespread, locally severe frosts are likely. The cold weather will continue into early March, with the northwest seeing the best of any brighter weather. Continuing windy at times, bringing marked wind chill and further snow in places. However the southwest may become milder at times but with further rain, sleet or snow.
Day 16 to 30
At the start of this period it is likely to be very cold across the UK, with widespread frost and brisk easterly winds from Continental Europe, making it feel raw. This will continue to bring the risk of significant snow across some southern, eastern and central parts of the UK, whereas towards the north and west it will be drier. As we head through the middle of March, there is a lot of uncertainty in the forecast, but it may start to turn more unsettled and less cold with the wettest and mildest weather spreading in from the southwest. In contrast, northern and eastern areas could remain colder well into March.
Met Office : WL : 2018-02-22T15:08:19