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On Monday 26 May 2026 the United Kingdom experienced a “tropical night” as minimum temperatures stayed above 20 °C, breaking the May daily‑minimum record for the second day in a row.Record‑Breaking Night Temperatures Across the UKKenley airfield (south London) recorded a minimum of 21.3 °C, the highest May night ever.Kew Gardens (south‑west London) hit 34.8 °C, setting a provisional all‑time hottest spring temperature.Previous May night record was 19.4 °C at Kenley on the preceding Sunday.12 locations, from Suffolk to Berkshire, broke their local records on Monday.97 Met Office monitoring sites reached or exceeded 30 °C.Numbers That Define the HeatwaveHighs of up to 35 °C forecast for southern England and Wales on Tuesday, with some areas approaching 36 °C.Heat‑wave threshold for this time of year is 28 °C (London and northwards to Cambridgeshire).Eight parts of England already met the three‑day heat‑wave criteria by Sunday evening, including Heathrow, Kew Gardens, Northolt, and sites in Oxfordshire, Suffolk and Essex.Implications for Climate Resilience and Public SafetyMet Office senior forecaster Greg Dewhurst warned that heatwaves are now developing “so quickly” due to the climate crisis.Firefighters battled a grass fire near Arthur’s Seat in Edinburgh as temperatures hit 25 °C.A 13‑year‑old boy died after drowning in a West Yorkshire reservoir amid the heat.Nearly 100 sites surpassing 30 °C underscores how many locations are meeting heat‑wave thresholds.What the Forecast Holds for the Rest of the SummerTemperatures are expected to gradually decline from mid‑week but remain in the high 20s with dry, sunny spells.Potential thunderstorms on Tuesday could temporarily curb peak temperatures.Continued high night‑time minima suggest that further “tropical nights” are likely as the season progresses.

The UK recorded its hottest day of the year on 24 May 2026, with temperatures soaring to 30.5 °C in Kent, while meteorologists warn that the heat is set to intensify over the upcoming bank‑holiday weekend. Record‑Breaking May Temperatures Sweep Across Kent For the first time since 2012, the UK reached the 30 °C mark in May, as reported by the Met Office. The peak of 30.5 °C was recorded in the village of Frittenden, signalling a significant shift in seasonal weather patterns. Temperature Readings and Historical Comparisons Current measurements are approaching, and may soon surpass, long‑standing records: May record: 32.8 °C (Camden Square 1922; Horsham, Tunbridge Wells, Regent’s Park 1944) Forecast for Monday: potential new May high, up to 33 °C in southern England and the Midlands Sunday outlook: 31 °C in the south, 26 °C in the north UV index expected to reach 7 in Manchester on Sunday Health Alerts and Regional Risks Amid Rising Heat The UK Health Security Agency (UKHSA) has issued amber heat‑health alerts for the East Midlands, West Midlands, East of England, London and the South‑East, with yellow alerts covering the North‑East, North‑West, Yorkshire & Humber and the South‑West. These alerts warn of a likely increase in heat‑related deaths, especially among those over 65 or with pre‑existing health conditions, and heightened pressure on health and social care services. Forecasts Suggest Continued Extreme Heat Through Bank Holiday Senior Met Office meteorologist Greg Dewhurst highlighted that high pressure will dominate the weekend, bringing “very warm sunshine” across England and Wales, while Scotland and Northern Ireland may see intermittent cloud and showers. The combination of sustained high temperatures and elevated UV levels is expected to keep heat‑related health alerts in place at least until mid‑week.