Full Breakdown
Upcoming Weather Outlook for the UK
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Upcoming Weather Outlook for the UK
BBC Weather forecasts that a deep Atlantic low-pressure system will move toward the British Isles next week, bringing a shift from recent summer-like warmth to more typical late-September conditions. The system is expected to generate windy weather, especially across northern and western regions, with scattered showers on Saturday and rain sweeping most areas on Sunday. Overall, temperatures are projected to return to the seasonal average, with daytime highs ranging from roughly 15 °C in the north to 21 °C in the south.
Recent Warm Spell and Drought Context
The past few days saw unseasonably warm air, with temperatures climbing to around 25 °C in parts of England, Wales, Northern Ireland and Scotland. This warmth followed a period of drought-affected conditions in many parts of England and Wales, where significant rainfall is still needed. The Met Office has reported that summer 2026 was the UK’s hottest on record, underscoring the contrast between the recent heat and the cooler pattern now forecast.
Rainfall and Temperature Projections
BBC Weather notes that rainfall over the next five days will be concentrated in northern and western areas. In north-west Scotland, rainfall has already reached 146 % of the expected September total, and Achnagart in the Highlands has recorded rain for 27 consecutive days. By contrast, eastern England remains very dry, with Bridlington in East Yorkshire receiving only 11 % of its expected September rainfall. Temperatures are expected to dip into the low-20s °C in south-east England during brief warm spells, while many regions will see highs of 14-20 °C, close to the climatological norm. Frost is possible in parts of eastern Scotland, particularly around the Grampians, on Thursday morning.
Potential Impacts and Seasonal Outlook
The approaching windier, cooler pattern should alleviate some drought stress in the west but is unlikely to bring substantial rain to the drier east. BBC Weather adds that there are currently no signs of further unseasonable warmth as the month closes. A developing El Niño, described as the strongest on record weeks before its expected peak, may influence autumn weather, potentially leading to wetter and warmer conditions later in the season.