Residents in Welwyn Garden City, Hertfordshire, can look forward to warmer and sunnier weather this week as temperatures are set to rise. According to the Met Office, the town will see a shift from cloudy conditions on Monday, 16 March 2026, to much warmer weather by the middle of the week.
The weather is expected to peak on Wednesday, 18 March 2026, with a daytime high of 17°C. This brief warm spell follows a milder start to the week where temperatures hovered around 12°C under mostly grey skies.
After the sunny peak on Wednesday, the air will begin to feel more like usual for this time of year. By Sunday, 22 March 2026, the temperature is forecast to drop back down to 12°C.
Despite the cooler end to the week, the town is expected to stay mostly settled with sunny intervals. This change in weather is a typical part of the transition from winter to spring for the local community.
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