Forecast Sources FAQ

Everything you need to know about our forecast data.

Which data source should I use?

It depends on where you are. During inclement weather, try switching between sources, and pick the one that seems the most accurate for your location.

What are the differences between sources?

All of Hello Weather's data sources have excellent global coverage, but some offer extra data points and more detailed coverage in certain regions. Here's a quick summary of what you get with each one.

Apple Weather

  • The default source for Hello Weather.
  • Minute-by-minute precipitation in the US, UK, Ireland, Japan, and Australia.
  • Severe weather alerts in the US, Canada, Mexico, and Europe.

AccuWeather

  • Highly detailed written forecasts.
  • Daily air quality worldwide.
  • Pollen forecasts in the US and Europe.
  • Hourly forecasts cover the next 3 days.

CustomWeather

  • Daily air quality data.

Foreca

  • Excellent accuracy in Europe.
  • Real-time precipitation estimates, strongest in Europe and the continental US.
  • Air quality worldwide.
  • Pollen forecasts in Europe.

Open-Meteo

  • Models from NOAA (US), Environment Canada, ECMWF (Europe), the UK Met Office, Météo-France, DWD (Germany), KNMI (Netherlands), DMI (Denmark), MET Norway, MeteoSwiss, JMA (Japan), KMA (Korea), CMA (China), and BOM (Australia).
  • Worldwide forecasts use Open-Meteo's best match system, to automatically select the highest-resolution option from 30+ regional and global weather models for each location.
  • Current and daily air quality worldwide.
  • Pollen forecasts in Europe.

OpenWeather

  • A long-time favorite for indie weather forecasting.
  • Hourly forecasts cover the next 4 days.

Pirate Weather

  • Models from NOAA (US), Environment Canada, ECMWF (Europe), and DWD (Germany), including HRRR, NBM, GFS, HRDPS, and ECMWF IFS.
  • In the US and Canada, forecasts lead with the high-resolution NBM, HRRR, and HRDPS models. Elsewhere, DWD station forecasts, ECMWF IFS, and GFS take over.
  • Minute-by-minute precipitation, best in North America.
  • Current and daily air quality worldwide.

The Weather Channel

  • Detailed forecasts worldwide, backed by Weather Underground's network of personal weather stations.
  • Current air quality worldwide.
  • Pollen forecasts in the US.

Tomorrow.io

  • Minute-by-minute precipitation estimates.
  • Air quality and pollen worldwide.

Visual Crossing

  • Focused on forecasts and historical analysis.
  • Air quality worldwide.

Weatherbit

  • Minute-by-minute precipitation estimates.
  • Current air quality worldwide.

Xweather

  • (formerly AerisWeather)
  • Minute-by-minute precipitation estimates.
  • Current air quality worldwide.