The blistering summer heat that has gripped the UK for days is set to break as cooler air moves in from Thursday onwards, with temperatures plummeting to more autumnal levels. According to the Met Office, the current heatwave will start to dissipate by the end of this week, bringing a welcome respite from the sweltering conditions.
Forecasters predict that the mercury will drop significantly, with average daytime temperatures settling in the high teens or low 20s Celsius across most areas. The shift will be more pronounced in northern regions, including Scotland and Northern Ireland, where cooler air is expected to arrive sooner, accompanied by a higher chance of showers.
For England and Wales, the transition may initially manifest as unsettled conditions, with a heightened risk of thunderstorms before a more consistent cooler spell takes hold. The Met Office advises individuals to remain vigilant for localised heavy rainfall and lightning during this period, taking precautions such as staying hydrated and seeking shade during peak heat hours.
The change in weather follows a prolonged period where temperatures significantly exceeded the seasonal average, prompting public health warnings about heat-related illness. The impending shift will bring an end to the current heat-health alert status for many regions, allowing for a more comfortable environment for daily activities and outdoor pursuits.