Residents in Welwyn Garden City, Hertfordshire, are being told to prepare for a sharp change in weather as unseasonably warm sunshine on February 25, 2026, makes way for heavy rain and strong wind gusts. The spring-like conditions are expected to disappear quickly as a series of weather systems move across the region through the end of the week.
According to the Met Office, temperatures will reach a high of 17°C on Wednesday, which is nearly double the average temperature for February. This warmth will be followed by increasing cloud and wind gusts peaking at 32 mph on Thursday afternoon, with a 90 per cent chance of persistent rain forecast to begin by 6:00 AM on February 27, 2026.
The change in weather may cause delays for commuters using Great Northern rail services, as high winds can lead to speed restrictions and damage to overhead lines. Heavy rainfall also brings a risk of flooding at the A1 underpass at Stanborough Lakes, which has been known to become impassable during wet weather.
Households are encouraged to secure loose garden furniture and belongings before the wind picks up on Thursday. Drivers and train passengers should allow extra time for their journeys and check for the latest updates from National Rail to avoid potential disruption.
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