I stopped checking the weather forecast and got a series of wonderful surprises

More than half of British people would cancel plans if a weather app shows a 40% chance of rain all day. Many users go beyond the headline percentage, checking three-hourly breakdowns, likely millimetres of rain, wind speed and direction, and temperature and “feels like” readings. Some compare results with a loved one’s app and distrust the other app if it predicts better weather. This habit can become time-consuming and lead to procrastination, including checking weather for distant places. Outdoor attractions report that misread app graphics deter visitors, with Chester Zoo estimating large daily losses. A personal experiment begins with a week without checking the app, starting with a sunny morning that leads to a successful yoga outing.

"More than half of British people would consider cancelling an outing if they saw a 40% chance of rain all day on their weather app. I, too, am a slave to my app. Not that I would ever make a decision based on one whole-day percentage. I pore over three-hourly breakdowns for chances of rain versus minutes of sunshine. If rain is on the cards, I check the probable millimetres. Less than one? I may well throw caution to the wind."

"Speaking of which, wind speed and direction must also be considered, along with overall and feels like temperatures. For the cherry on top, I'll compare notes with a loved one's app if they use a different one, quietly mistrusting theirs, and simmering in silent rage if theirs wins. I'll admit, though, that my compulsion to check my app is borderline neurotic; I fret over probabilities and outfit appropriateness, when I could simply step outside for real-time hyper-local accuracy."

"Businesses, meanwhile, are complaining that misread apps are costing them money. In March, more than 80 outdoor attractions, including Chester zoo and the Eden Project, wrote to the Met Office complaining that a headline graphic of a raincloud on an app puts visitors off in droves. Most users glance at the top-line symbol and plan their day accordingly, the businesses said in an open letter, with Chester zoo calculating that this can cost it up to 137,000 in a day."

"Are weather apps running, maybe even ruining, our lives? Will I get soaked, boil or freeze without one? I challenged myself to a week without checking mine to find out. Day one: Saturday It's a sunny morning and I dash out to yoga in a light, unlined shacket. The gamble pays off when afterwa"

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