Britons have been basking in the unseasonably warm sun today as temperatures have hit as high as 70F (21C) – making the UK hotter than Bermuda  Earlier this morning, thick fog caused travel chaos and airport delays across Britain before the mist is set to clear and make way for the warmest weekend of the year  The Met Office issued a yellow weather warning for fog in the south east and south west England with flights grounded at London City airport   Forecasters say the country will experience slower journey times with visibility below 100 metres until the mist lifts at around 10 30am this morning. Temperatures around the 70F mark are more than twice as high than average for February  And Britain will be hotter than Bermuda as the Met Office forecast weekend highs climbing to 18C or higher on Sunday Met Office Forecaster Marco Petagna said: ‘There is higher pressure for much for much of the UK with heavy fog which is expected to lift this morning There will be sunnier skies with double figures across the whole UK this weekend ‘    .  Some parts of northwest Scotland remained above 14 C throughout Friday night – a temperature usually expected in during June in the daytime, forecasters say  Daytrippers are rushing to beaches and congesting coastal roads including the A23 to Brighton, A31 to Dorset, A30 to Cornwall and M55 to Blackpool A Brighton beach spokesman said: ‘Visitors are in T-shirts. We’re busy.’Supermarkets are set for an out-of-season ‘BBQ weekend’ rush for burgers, drinks and picnic food, while pub beer gardens reopened in winter  The mild weather is a marked contrast to the low temperatures and snow brought by the Beast from the East just 12 months ago   There will also be a be a band of rain sweeping in from Northern Ireland and the West of Scotland with patchy rain coming in to Cumbria Met Office meteorologist Dean Hall said: ‘It’s exceptionally mild for the time of year It’s pretty impressive bearing in mind this time last year we were talking about the Beast from the East What a difference 12 months makes.’Forecasters expect low cloud and fog affecting eastern, southern and central parts of England late on Friday to gradually clear overnight, giving way to sunny spells and dry conditions on Saturday afternoon Temperatures will be mild, possibly reaching highs of 65F – 70F in northern and western parts of Wales Share this article Share Northern Ireland and west Scotland will be also affected by a band of cloud and rain which will become light and patchy as it moves eastwards North-west Scotland could be windy and there is low risk of some coastal gales in the far north west Saturday night could bring some fog patches across large parts of England and Wales, with it turning chilly in places like Northern Ireland and East Anglia The Met Office say they may have to issue another travel warning for the south east of England on Sunday morning  if the fog reforms   The Met Office said a touch of frost could arrive in areas across the far north and the south east of England But from Sunday morning areas of cloud and fog will clear, bringing what is expected to be another dry day with the best of the sunshine being across the South East Temperatures are expected to reach the mid-teens, particularly in sheltered parts of north and west Wales, Devon and around the Moray Firth The settled, sunny and generally dry weather is set to continue across England and Wales into the earlier part of next week, with some overnight fog likely It may be windier and more changeable in the far north west.  The average temperatures in England for February 2019 so far stand at 9 2C (48.6F), against the normal average of 7.1C (44.8F).The current figure places this month as the ninth-warmest February since records began in 1910 But the all-time February record average daily temperature of 10.3C (50.5F), recorded in 1998, is in sight should the warm conditions continue The only areas likely to miss out on the sunshine, which will be hazy at times, are the far West, which could be cloudy with some patchy rain today FRI, and the far north-west of Scotland, where it could be wet and windy at times