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Another heatwave will hit London this weekend – with temperatures soaring to 35C

Another heatwave will hit London this weekend – with temperatures soaring to 35C

Time Out5 hours ago

Oh, you thought London was hot last weekend? Well, gird your loins – it's about to turn even hotter.
After a few days of relief, the Met Office has forecast that London will heat up once again over the next few days, reaching 29C on Saturday, 31C on Sunday and rising to an absolutely blistering temperature of 35C on Monday, June 30. It'll be the hottest start to the Wimbledon Tennis Championships in its 147 year history.
According to the forecast, Monday's peak heat of 35C won't hit until around 4pm and it'll stay that hot until around 7-8pm, so you'll have plenty of time to bask in the blazing sun after work. But that also means that Londoners are also in for a sweaty night of sleep.
The UK Health Security Agency (UKHSA) has issued amber heat health alert for the capital in anticipation of the boiling temperatures. It kicks in at 12pm on Friday, June 27 and lasts until Tuesday, July 1.
In its outlook for Sunday to Tuesday, the Met Office describes the weather as: 'Staying largely dry with good spells of sunshine into next week. Turning increasingly very warm or hot, and humid. Some warm nights to come too. Light winds.'
Things are set to cool down on Wednesday and Thursday, with a nice and bearable high of 25C predicted for the city. Looking a little further ahead, BBC weather predicts that there could be some thunderstorms later next week. It says: 'Whilst some rain or showers are possible across the south and east, longer drier spells are more likely, under the influence of higher pressure. There is also the chance of some occasional very warm, perhaps locally hot weather, as brief bursts of hotter air encroach from the continent, but probably fairly short-lived and perhaps also accompanied by a few thunderstorms at times.'
See what the heatwave has in store for the rest of the UK here.
Staying cool in the city
Wondering how on earth you're going to cope in the heat? Let us help you out. London is awash with lidos and open-air pools that are perfect for a cool down. There are also loads of beautiful beer gardens where you can hydrate with a nice cold pint, lots of shaded woodlands to wander through and plenty of big, air-conditioned attractions, like the Tate Modern and British Museum, if you want to get out of the sun completely.

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Our ultimate guide to keeping cool as temperatures soar – from the cost of running a fan and air con to wet floor hack
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timean hour ago

  • The Sun

Our ultimate guide to keeping cool as temperatures soar – from the cost of running a fan and air con to wet floor hack

BARBECUES are sizzling, pub gardens are packed and ice cream vans are out in force - but how do you keep cool for less this summer? Here's our ultimate guide to keeping cool on a budget as the mercury is set to reach the high 20s and low 30s this weekend. 7 Plenty of us will be enjoying the 28C heat today — and more sunshine is on its way. Households are in for hot weather this weekend, with temperatures set to soar to a whopping 34C by Monday. An official heatwave is declared when an area hits specific temperature thresholds for three days in a row . That threshold is 25°C for the north and west of the UK, and 28°C for Greater London and the Home Counties. While the Met Office has issued no weather warnings, experts have urged households to keep cool and check in on friends, family and neighbours, especially if they are vulnerable. So how can you cool off for less? We explain how much it costs to run the most popular gadgets to keep you cool - and other ways to ward off high temperatures. Running fan - up to 84p a week Fans are a great way of keeping cool for less. They're cheaper alternatives to pricier methods like air con. How much they cost to run depends on various factors like the model, how much energy they use, and how long you have it on for. A 60W pedestal fan costs 1.5p an hour to run. If you ran it for eight hours overnight, that would cost 12p, which racks up to 84p for a week. A 35W desktop fan costs 0.9p an hour to run. Running it overnight would cost 7.2p, which would cost 50.4p for a week. Want to keep cool on the move? A handheld fan costs 0.08p to run an hour, so having it switched on for six hours over the day would cost 0.48p. Cost of air con - £14.42 a week 7 It may be tempting to reach for your air conditioning unit during balmy weather. But it could be more expensive to run than you think. A portable air con unit which runs on 1kW of power costs 25.73p to run per hour. If you used it for eight hours overnight, that costs £2.06, which totals £14.42 a week. If you're looking for an alternative that won't cost a penny, why not try a cold hot water bottle? Instead of filling your hot water bottle up with boiling water, fill it up with cold water instead. This will help you keep cool during the evening. You could even stick it in the freezer to get it even colder. Paddling pool - £14 7 Paddling pools usually fly off the shelves as temperatures sizzle, and are a fun way for the family to keep cool. Some pools on the high street are selling for under £10, but while that seems a bargain, costs can rack up when you come to filling it up. It costs £14 each time to fill up a 6ft wide paddling pool, according to estimates from the comparison site Uswitch. 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Building regulations state that bedrooms in new build homes must not exceed temperatures above 26C overnight. That means window and door openings will be designed to close if temperatures start to soar. Unfortunately, you won't benefit if you're not in one of these new builds - but there are other ways to keep cool. For example, you can close the curtains during the day, which will help to keep your home cool into the night.

Why does London get so hot?
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The Independent

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Why does London get so hot?

Another heatwave is forecast with weekend temperatures in the south of England set to soar to as high as 30C degrees on Sunday. Then, on Monday, the Met Office has predicted temperatures could reach a sweltering 34C degrees in London. Met Office spokesman Graham Madge said: 'Temperature models have been edging up slowly and we do believe that the temperatures will be the hottest on Monday in this heatwave period.' He added that it is 'most likely be an isolated temperature somewhere in the South East, London or maybe Cambridge.' It could mean the country could see its hottest June day, with the previous record standing at 35.6C, recorded at both at Southampton Mayflower Park on June 28 1976 and at Camden Square, north London, on June 29 1957. So, why does it get so hot in the capital? And is there a reason London heat feels so much more unbearable? Lack of air conditioning Unlike other countries around the world that experience temperatures above 30C degrees, most houses in the UK are not fortunate enough to have air conditioning to escape the heat. While there are air-conditioned shops and offices in London, not all public transport has the luxury – resulting in some very sticky commutes. However, although air-conditioning in city centre shops offer some relief, waste heat from air conditioners and vehicles can add warmth to the surroundings, increasing temperatures. Buildings are designed for cold weather For most of the year, weather in the UK is not baking sunshine, but instead a chillier climate, as a result houses are designed to keep the heat in. The country focuses on making homes insulated to reduce energy usage and retain heat in winter, but that means it can get very hot in the summer. Dr Oscar Brousse, an expert in Urban Meteorology at University College London, told the Independent: 'Buildings absorb heat efficiently because of their radiative and thermal properties induced by the common materials we use to build them.' She added: 'These properties can be changed, by implementing green or cool roofs, for example.' Concentration of people in urban areas The urban heat island effect is another phenomenon that occurs with a dense population. 'Living in a city can increase vulnerability to heat. Many deaths during heatwaves occur because of the combined effect of high temperatures and the urban micro-climate,' the Met Office has warned previously. Buildings absorb rather than reflect the sun's heat, the forecaster explained. Dr Brousse added: 'Buildings also release heat really efficiently and can cool down quickly. 'The issue in urban environments is that this heat is then radiated back to surrounding buildings, therefore delaying the cooling process and leading to the so-called 'urban heat island effect', particularly pronounced in the early morning just before sunrise; the coolest hours of the day.' In cities like London, tall buildings and narrow streets reduce wind speeds, and the removal of trees reduces the natural cooling effect of shading and evaporation, the Met Office said. Air pollution Pollution from car fumes and planes overhead not only decreases air quality but also increase heat by trapping it in. 'Air pollution can also cause the effect of a micro greenhouse gas layer, stopping heat from radiating back into the atmosphere,' the Met Office said. Dr Brousse said: 'Certain aerosols may indeed impact incoming solar radiation, in particular, and reflect back part of the incoming energy, thus having a protective effect. 'It can also contribute to increase cloud coverage which have important implications on heating/cooling of land during day/night.' London's location The record-breaking temperatures are often recorded in London and Kent - which are the furthest South and East parts of the British Isles. Dr Brousse explained that heatwaves tend to come from southern and eastern continental climates. He said: 'As they progress further North, they lose energy, thereby making Southerner parts hotter relatively speaking. 'All of this contributes to hotter temperatures on average in the southeast of England. On top of this, London observes a pronounced urban heat island which further increases the average temperatures experienced in the city.'

Exact time Brits warned to stay inside this weekend according to Met Office
Exact time Brits warned to stay inside this weekend according to Met Office

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Exact time Brits warned to stay inside this weekend according to Met Office

The weather agency has issued key advice with one exception as warm and humid weekend lies ahead UK thermometers are poised for another surge this weekend, with weather maps showing a deep red hue, signalling yet another warm phase for countless people. The Met Office forecasts a resurgence of "dry and locally hot weather" by the end of June, with weather charts indicating peaks of 32C on Sunday, June 29, in England's south east. ‌ Forecasts include possible heatwave conditions - meeting or exceding the temperature threshold for three days in a row - as the Met Office notes: "Some places could reach heatwave criteria over the coming few days." ‌ The threshold for a heatwave differs across regions, but it's typically proclaimed when temperatures soar to 28C or above down south or around 25C in most of Scotland. And with scorching temperatures looming, the Met Office has given a time frame for Brits to stay inside. Offering advice for coping with the heat, the national weather agency advises: "If you do go out for exercise or into your garden, try to avoid the hottest part of the day (11am to 3pm) and seek shade where possible." If you are going to be out in the sun at midday, the official guidance states: "Avoid being in the sun for long stretches. Wear lightweight, light-coloured clothing, high factor sunscreen and a wide-brimmed hat." Other suggestions for keeping cool include keeping curtains and windows closed during peak sunshine to prevent rooms from becoming stifling. ‌ Sadly (or not, depending on how you look at it!) Scotland is not set for a heatwave in the coming days. Although it's shaping up to be a warm weekend for us, too, it won't be half as sweltering as down south. Friday and Saturday, June 27 and 28, will see the majority of the country sit comfortably in the high teens. Even places further north, like Portree, Ullapool, and Kirkwall, will reap the benefit of such figures. ‌ The north-east, Edinburgh, Berwick-upon-Tweed, and then further south to Dumfries - will climb a bit higher into the 21C mark on Saturday afternoon, according to the Met Office forecast. Sunday will see most places dip back down the high teens again, while the heat will cool off even more as we roll into Monday, where the mid-teens make up the majority of the weather picture for the new week ahead. Again, this is at odds with the heatwave-like figures expected in some of England's biggest cities around this time. After that, Scots should brace for a deluge of rain. The north west will be wettest due to frontal systems driven by the jet stream. Rainfall totals could even exceed 50mm in parts of Cumbria and western Scotland by Friday, July 4. ‌ And there are fears Scotland will bear the brunt of yet another "severe" thunderstorm as a result of the intense warmth south of the border, and some of the jet stream currently over Iberia moving north-east into France. "These storms are likely to remain over the near continent, but there is a risk they could brush the far southeast of England," a Met Office spokesperson said. ‌ With possible repercussions for Scotland, they added: "This creates a favourable environment for large hail, frequent lightning, and torrential rain." In general, from Sunday, June 29, until Tuesday, July 8, the Met Office predicts a period of wetter, windier conditions to the northwest - but doesn't rule out another return to sunshine and toasty temps. "Whilst some rain or showers are possible across the south and east, longer drier spells are more likely, under the influence of higher pressure," the national weather agency said. "There is the chance of some occasional very warm, locally hot weather, as brief bursts of hotter air encroach from the continent, but probably fairly short-lived and perhaps also accompanied by a few thunderstorms at times." Join the Daily Record WhatsApp community! Get the latest news sent straight to your messages by joining our WhatsApp community today. You'll receive daily updates on breaking news as well as the top headlines across Scotland. No one will be able to see who is signed up and no one can send messages except the Daily Record team. All you have to do is click here if you're on mobile, select 'Join Community' and you're in! If you're on a desktop, simply scan the QR code above with your phone and click 'Join Community'. We also treat our community members to special offers, promotions, and adverts from us and our partners. If you don't like our community, you can check out any time you like. To leave our community click on the name at the top of your screen and choose 'exit group'.

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