Warwick Castle visitors have been left drenched as National Trust homes welcome back members of the public, with downpours to last all week up north while the south stays mostly dry.
The castle is one of the first UK attractions to reopen, with safety measures in place including all guests urged to wear face masks and temperatures being checked upon arrival. All indoor events have remained closed.
Meanwhile, heavy showers are set to mostly affecting northern and western parts today and tomorrow, in a stark contrast to last weekend's scorching temperatures.
But downpours leftover from Friday will 'fade away' in the south with 'clear spells' throughout today, according to the Met Office.
Coral bookmakers has slashed the odds on this month ending as the coldest June on record to 2-1, from 4-1, on the back of plummeting temperatures over the last few days.
A man and two children seen during a visit to Warwick Castle today, which is one of the first UK attractions to reopen to visitors. Only a few visitors were seen during the wet weather, with indoor events remaining closed
A woman and child use a hand sanitiser pump at Warwick Castle, as the site reopens with safety measures in place including all guests urged to wear face masks and temperatures being checked upon arrival
A man and two children holding umbrellas during a visit to Warwick Castle. Other safety measures introduced include tickets being pre-booked online and hygiene screens at food stalls and shop counters
Visitors have their temperature checked on arrival at Warwick Castle on Saturday by a member of staff wearing a face sheild, with hand sanitiser and a sign reading 'temperature and bag check station' also pictured
Britons in the south are set for sunny weekend while washout in the north could last all week - as bookies give UK 2-1 odds for coldest June on record (pictured: a three-day weather forecast for the UK)
Met Office's Alex Deakin said: 'For the South there will be clear spells as Friday showers start to fade away and we will keep some going across the South West.'
Predicting conditions for today, Met Office meteorologist Luke Miall told MailOnline: 'It's looking quite unsettled through today and tomorrow, Monday and Tuesday are good in terms of dry and sunny weather.
'We've got an area of low pressure which is in the North Sea to the east of the UK dragging in a cold northerly wind, looking unsettled with a band of rain pushing southwards today, heavy and possibly thundery for eastern England and the Midlands.
'Best of the sunshine for central Scotland today where we will see highest temperatures, 19C in somewhere like Glasgow today, in contrast a lot cooler for London and southern area of England and Wales, looking at 13C or 14C.'
Referring to tomorrow's forecast, he added: 'Tomorrow an improving picture from the west, generally speaking west-east split, western areas better day and some sunshine, more pleasant.
'Temperatures still on the cool side, eastern areas with further outbreaks of rain, heavy showers, cold northerly wind across eastern parts of England and Scotland so definitely a contrast from one side of country to the other as we go through Sunday.
'5C this morning, overnight will fall to 4/5C, not unheard of to get that in early June at night time but it is a change to the weather story and a shock to system considering the good weather lately.'
On the outlook for the rest of this month, Mr Miall forecast: 'Signs are for a continuation of some more changeable weather up to around middle of the month, dry interludes at a time and second half of month looks warmer and drier.
Two adults and two children reading a map and looking out over the grounds of a drenched Warwick Castle, which is one of the first UK attractions to reopen to visitors as coronavirus lockdown restrictions are gently eased across the nation
One adult and two children wear face masks as they walk around the grounds of Warwick Castle on Saturday, with a sign reading 'social distancing in operation' and urging people to stay 2m apart 'at all times' also visible
High winds and large waves batter Blackpool's north shore this morning as heavy showers are set to mostly affecting northern and western parts today and tomorrow, in a stark contrast to last weekend
Bournemouth Beach in Dorset appears emptier as security teams patrol the area on a day that inclement weather kept the crowds at bay, in contrast to last weekend which saw sun seekers flocking to the coast
High winds batter Blackpool's north shore today. Met Office's Alex Deakin said: 'For the South there will be clear spells as Friday showers start to fade away and we will keep some going across the South West'
People are seen kite surfing in windy weather on the sea at Tyenmouth this morning. Met Office meteorologist Luke Miall told MailOnline there will be a 'cold northerly weekend' for parts of the UK over the weekend
A Met Office map showing temperatures and weather conditions for today. Coral bookmakers has slashed the odds on this month ending as the coldest June on record to 2-1, from 4-1, on the back of plummeting temperatures
Coral's John Hill said: 'Temperatures have taken a sharp drop over the last few days and as a result we have slashed he odds on this month ending as the coldest June on record.
'We are also set for more rain this weekend and the betting indicates we could be in for a record wet month.'
BBC forecaster Darren Bett also predicted cooler temperatures this weekend.
He said: 'The weather this weekend is quite different from previous weekends. We are still stuck in this cool air stream where we've got some unusually windy weather for early June, particularly today, there will be some rain around as well. Things will gradually tend to improve as we head into tomorrow.
A man walks down a country lane in the early morning sunshine in Dunsden, Oxfordshire. Met Office's Alex Deakin said there will be 'clear spells' for the south today as showers from Friday 'start to fade away'
A man runs along a windy beach at Tynemouth Longsands, as the UK is forecast to be hit with heavy showers, strong gales and colder temperatures over the weekend, with Britons being warned not to move gatherings indoors
a lone horse happily grazes in the morning sunshine in a small holding in the countryside in Dunsden, Oxfordshire. Heavy showers are set to mostly affecting northern and western parts today and tomorrow, in a stark contrast to last weekend
A runner battles the wind in front of an empty beach in Worthing today, as cooler temperatures are forecast throughout the weekend and wetter conditions, possibly lasting into next week
'We've got this cloud curling around an area of low pressure in the North Sea, and that is sinking its way southwards and it's taking that thicker cloud southwards as well, bringing a spell of rain. That will move down into southern parts of England, and behind it many areas I think will get some sunshine, but for eastern England there will be some heavy showers as well.
'Into the afternoon and the rain probably not amounting to too much by this stage across the south, but it will be windy, and there will be some blustery showers blown in across the eastern side of England, the risk of some thunder.
Going into next week, he added: 'Now this ridge of high pressure that's moving a bit closer is going to be the more dominant feature I think through Monday and Tuesday, eventually this weather front will bring some rain into the north-west later on Tuesday.
'But elsewhere I think it will be dry, there will be a fair bit of cloud, some sunshine at times, and we're seeing those temperatures near normal for the time of year.'