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UK Weather Forecast: Sunshine and 21°C Heat – London Set to Be Hotter Than Tenerife This Week

Weather ✍️ Oliver Smith 🕒 2026-03-19 12:53 🔥 Views: 1
Sunny weather forecast map for the UK

If you thought spring was taking its own sweet time to show up, think again. The UK is about to get a burst of warmth that would put the Med to shame. This week, the weather forecast is all about high pressure, which means one thing for most of us: non-stop sunshine and temperatures that’ll make you forget you're even in Britain.

Yes, you read that right. The latest models are showing that temperatures are set to climb to a balmy 21°C in parts of the country, with London expected to be hotter than Tenerife. While the Canaries are pottering along at a modest 20°C, the capital could be basking in some real heat. It’s a total role reversal nobody saw coming, but hey, we’ll take it.

Where did this glorious forecast come from? Well, if you've been obsessively refreshing your go-to weather app, you'll have noticed the charts turning a lovely shade of orange. Whether you're a fan of the hyper-local radar on Zoom Earth - Weather Forecast, the detailed maps on MSN Weather - Forecast & Maps, or just the simple interface of your phone's built-in Weather app, the verdict is the same: time to dig out the sunscreen and find your sunglasses.

This warm spell is all thanks to a stubborn high-pressure system settling over the country, pulling warm air up from the continent. The south-east, especially London, will get the best of it, but even the northern regions can expect double-digit temperatures and plenty of blue skies. It's a far cry from the grey, drizzly days we've been putting up with lately.

Here’s a quick look at what to expect on what looks set to be the warmest day of the week:

  • London: 21°C, wall-to-wall sunshine – perfect for beer garden sessions, basically.
  • Birmingham: 19°C, sunny spells with a light breeze.
  • Manchester: 17°C, a bit of cloud but still warm if you find a sunny spot.
  • Edinburgh: 15°C, pleasant with a gentle breeze – ideal for a walk up Arthur's Seat.

But before you pack your bags for the beach, a quick heads-up. Weather forecasting can be a tricky business. Even the most sophisticated Weather Forecast Service can get caught out by a rogue weather front from the Atlantic. So while the models are looking promising, it pays to keep an eye on the latest updates. The good news is that the official charts and third-party apps are all on the same page this time, so confidence is pretty high.

This kind of weather is a real gift, especially when you consider Tenerife is only managing 20°C this week. It's the perfect excuse to ditch the jacket, grab a pint at a beer garden, and pretend you're on holiday somewhere exotic. Just don't forget to check Zoom Earth if you're planning a picnic – you wouldn't want a stray cloud ruining your scone, would you?

So there you have it. The UK is about to turn up the heat. Make the most of it, because we all know how quickly things can change. Enjoy the sun while it lasts, folks.