Weather in central London
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Barnet and the wider south-east could see another heatwave in September, the Met Office has warned, as the region remains a month’s worth of rain below normal levels. Heavy rain forecast for Monday may ease wildfire risks but will not end drought conditions or hosepipe bans, experts say.
Thames Water will restart its £500m Beckton desalination plant by the end of the year to boost reservoir levels over winter. The plant, which has supplied just 7.2bn litres since 2011, will rely on weather conditions and electricity costs. Critics question its value after years of limited use.
Satellite images reveal London’s parks have turned brown after record-breaking heatwaves, with Barnet’s green spaces at risk of wildfires. The Mayor of London has urged residents to create fire breaks in gardens, while the London Fire Brigade warns dry grass can spread flames to nearby homes within minutes.
Barnet residents are under an amber heat health alert until 29 August as England faces its driest July since 1836. The Environment Agency has declared drought across more than two-thirds of the country, with rivers and reservoirs declining and hosepipe bans in place for 27 million customers.
Residents in Barnet and across London are warned of prolonged dry conditions after July became the driest on record. Supermarkets have withdrawn disposable barbecues due to wildfire risks, while forecasters predict little rainfall for weeks.
Two photographs taken at Gloucester Gate show green grass on 7 June and brown, dusty ground on 2 August. A hosepipe ban is now in force across most of London, prohibiting outdoor watering of plants and grass.
An Amber health alert is in force across London after Kew Gardens recorded its first rain-free July in 155 years. Barnet Council and Thames Water have imposed water-saving measures as temperatures exceed 30°C, increasing risks for vulnerable residents.
Barnet has recorded 38 consecutive dry days since 23 June, matching the capital’s drought. The Met Office confirms England and Wales had their driest July on record. Light rain is forecast for 10 August, but experts say prolonged rainfall is needed to ease restrictions.
London recorded its first rainfall in weeks on 30 July 2026, with light showers in Croydon and Richmond delivering less than 0.5mm per hour. The capital remains under a Thames Water hosepipe ban amid prolonged drought conditions.
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