High Pressure But Remaining Cool!!!!

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High pressure returns for a few days bringing largely dry weather across the region although on Thursday there will be a risk of some showers for a time. High pressure looks set to last through most of the weekend, or at least through Saturday, with Sunday perhaps seeing low pressure slowly ease back in.

So through Thursday morning we expect a few showers around the region, some of these may turn thundery in places as a trough and converging winds provides enough instability for the storms to fire. Not everywhere seeing them and there will be spells of brighter weather in between. Most of the showers will shift E/SE through the afternoon to leave a fairly decent spell of sunshine for late afternoon and evening but temperatures wont be as warm as you’d expect, with highs only around the 17c, with values generally between 14c to 16c. Overnight these values will drop quite readily and any clear skies will bring values down to around 6/7c, potentially lower across rural areas.

Why the cold weather with high pressure I hear you ask? Even though high pressure is building in, the Jet Stream is still across the UK rather than above it, thus we remain on the colder side, as shown below with the cooler green colours still in attendance across the UK.

So with this in mind it will be a fresh start to the day on Friday and likely cloudy too although a few brighter spells are not ruled out. The cloud should start to thin and break as the morning progresses and it will remain largely dry for most, although some patchy drizzle isn’t ruled out across higher routes. Through the afternoon the cloud will break further and for most, a dry and bright afternoon is expected but again the temperatures will be disappointing, with highs again no better than 17c. We could see temperatures drop further overnight from the previous night with values potentially dropping to 3/4c in rural areas which would be close to producing a slight frost. Towns and cities should expect values around 6/7c.

Saturday will effectively be a duplicate of Friday’s weather although temperatures may just be up a notch or two but still a cool night to come.

Sunday will see a slow return to low pressure with a band of rain eager to get in from the west. The timing of which is still a little unclear so we’ll be sure to update further for you in due course.

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