With a temperature of 20.1C recorded in Gogerddan near Aberystwyth on Wednesday, it has become the warmest day of the year so far the United Kingdom. England has also seen its warmest day of the year so far with 20.1C at Northolt, London. Temperatures widely have reached the high teens across England and Wales, making it more generally the warmest spell of weather of the spring so far. Longer spells of sunshine will also lead to higher UV levels developing and there'll be very little rainfall in the forecast for most of us over the next week or so. Criccieth, Gynedd and surrounding area has seen the warmest weather of the year so far with temperatures up to 20C. The warmest areas on Wednesday so far have been in west and north-west Wales, London and the north coast of Cornwall. The temperatures in west and north-west of Wales have had temperatures boosted by something called the Foehn effect.…