WeatherMe!

Five forecast models from four independent centres — instead of one single forecast.

WeatherMe! builds your 7-day forecast from ECMWF (two systems), the UK Met Office, NOAA and ECCC. Every number is the median across the centres, and the range beneath it shows how much the models disagree — a wide range is your at-a-glance warning that the day is uncertain.

Weather icons are a vote between centres: a hazard appears only with at least two supporting centres, and clear, partly cloudy and cloudy count as one sky family so a single outlier can't dominate the day. A separate 51-member ECMWF ensemble adds uncertainty percentages for rain, strong wind, fog and thunderstorms, and the first two days include an hour-by-hour outlook with a temperature curve. Moon phase, moonrise and moonset come from the US Naval Observatory.

• High, low, rain and wind: centre median plus the min–max range across all five systems • ECMWF ensemble probabilities, shown separately from the forecast • Hourly outlook for the next 48 hours • Moon phases and times • Search for any city worldwide, or use your location — only rounded coordinates ever leave your device • Forecasts cached for 6 hours, your place for 30 days; no accounts, no tracking

WeatherMe! is the iOS companion of the WeatherMe web app.

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