By Lara Keay For Mailonline
Published: 17:05 GMT, 1 December 2019 | Updated: 17:06 GMT, 1 December 2019
Britain is preparing for another frosty night with temperatures set to plunge to -6C - but that didn't stop brave bare-chested swimmers enjoying an icy dip in the sea off the Dorset coast today.
High pressure is in charge of our weather as we go through the week, which will bring cold and wet conditions from Scotland and Northern Ireland.
That will move southwards on Thursday bringing more unsettled weather to southern and central parts of England and Wales.
A brave man is pictured taking on freezing cold waves in Swanage, Dorset on the first day of December today
Hard frost is pictured on the ground, turning trees a magical white, in Pitlochry, as the sun rose in Scotland this morning
Boats bob on the water at Poole Harbour in Dorset this morning after a night of freezing temperatures nationwide
Tonight it's going to be another cold night, much chillier than normal for the time of year, but not as cold as last night.
Met Office forecaster Emily Smith said: 'It will be -4 in Scotland, -6 in Wales and as low as -1 in London, with only coastal regions reaching above freezing overnight.