UK weather: Which areas could see highs of 35°C next week as yet another heatwave arrives? Low pressure will continue to bring rain across northern parts through the weekend, but high pressure will gradually build across the UK from Monday. High pressure takes over from MondayMonday will bring a quieter day for most of the UK as high pressure becomes more influential. High pressure likely to rebuild once again from the southwest later in the week and remain influential into the following weekend. The broader outlook shows few signs of any meaningful rainfall in the comings weeks, with high pressure set to dominate the UK's weather pattern.