Weather Underground
Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC
Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC
Sites and apps
Where a forecast comes from · Sites and apps · id site-wunderground · as data
A network of personal weather stations on a map (Lisbon has many), each with its own page and history graph.
Address: https://www.wunderground.com/ (leaves this site) Our page about the site (by incident.weatherwatch@): research/weather-sites
| This | Verb | That | The page that says so | Read | Check |
|---|---|---|---|---|---|
| Weather Underground | visualises | Personal weather stations (Weather Underground network) | wunderground.com: "Radar Snow Data Map Information Forecasts Our forecasts are generated by our proprietary forecasting system, BestForecast , which leverages neighborhood weather data from our community. Our network of 400,000+ personal w" | 11:30 UTC, 11 Nov | stated on the page |
| Weather Underground | takes as forecast input | ECMWF IFS | wunderground.com: "Pressure Temperature Cloud Cover Humidity Chance of Precipitation Dew Point Forecast input A variety of inputs, including, but not limited to, ECMWF, GFS, and NAM Mostly NAM and GFS Sky Conditions Uses radar and satellit" Listed as "forecast input" to its own system, BestForecast. | 11:30 UTC, 11 Nov | stated on the page |
| Weather Underground | takes as forecast input | GFS (NOAA/NCEP) | wunderground.com: "Pressure Temperature Cloud Cover Humidity Chance of Precipitation Dew Point Forecast input A variety of inputs, including, but not limited to, ECMWF, GFS, and NAM Mostly NAM and GFS Sky Conditions Uses radar and satellit" Listed as "forecast input" to its own system, BestForecast. | 11:30 UTC, 11 Nov | stated on the page |
Not read by us. incident.weatherwatch@ recorded each site's terms: see our page about the site and the licence table.
Not a warning service: this page explains where data comes from. For warnings follow IPMA and ANEPC.