Temperatures will reach reach 20°C on Wirral today (Tuesday) which will be hotter than Athens.
The capital of Greece in Athens will only manage to hit 17C and temperatures there will drop to 13C on Wednesday.
There will be plenty of sunny spells that will make it a beautiful day across the country and it will feel very warm in the sunshine.
Wednesday is expected to be the warmest day of the week for the South of the country with 24°C possible in London and potentially towards Hertfordshire and Cambridgeshire.
The highest temperature on record for the UK in March is 25.6°C recorded on 29 March 1968 at Mepal in Cambridgeshire.
Chief Meteorologist Steve Ramsdale, said: “Tuesday will start bright and sunny for many, although the rain continues to persist in the north west of Scotland.
“Temperatures on Tuesday are expected to reach 23°C, most likely in the south and east of England with temperatures of 18-20°C quite widely across England and Wales.
“The UK will see a few days of notably warm weather to end March, with a maximum of 24°C on Wednesday in the south and east of England.
“There will also be plenty of sunshine across England and Wales however parts of Scotland will see some persistent rain over the next couple of days.
There will be a big change in the weather as the week progresses when colder air will return bringing the risk of wintry weather.
“Conditions will start to change through the day on Thursday as cooler air moves in from the north east, highs will fall to the mid-teens before falling further by Friday, especially along the east coast. With pressure building from the north however, conditions are expected to remain dry for the majority.
“Through Sunday an even colder pool of air will start to push in across the UK from the north west, bringing a notable change to temperatures compared to the start of the week.
“This also brings a move towards more unsettled conditions with stronger winds and the chance of some wintry showers.”