Overview

• A deep low is forecast to develop near the UK on Saturday, bringing widespread rain and gusts potentially exceeding 50 mph, with 10–20 mm falling widely and higher totals over western hills.
• Met Office guidance signals an unsettled pattern into early September with showers or longer spells of rain, a risk of thunderstorms and hail, and occasional strong winds.
• Forecast maps indicate two major rain bands: one sweeping the country around 30 August and another around 3 September, though exact tracks and intensities remain uncertain.
• Western areas are expected to see the most frequent heavy rain, while local forecasts show on-and-off showers elsewhere, including a thundery risk in London next week.
• Provisional data show summer 2025 is likely to be the UK’s warmest on record, with a mean temperature near 16.13C.