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Not a warning service. Follow IPMA, ANEPC and your local authorities. We aggregate public sources, each with its source and the time we read it.

Open data and APIs

stated on the page: open-meteo.compublishesThe Open-Meteo projectBodiesstated on the page: open-meteo.comvisualisesOpen-MeteoSites and appsstated on the page: open-meteo.comredistributesECMWF IFSModelsstated on the page: open-meteo.comredistributesGFS (NOAA/NCEP)Modelsstated on the page: open-meteo.comredistributesICON (DWD)Modelsstated on the page: open-meteo.comredistributesARPEGE (Météo-France)Modelsstated on the page: open-meteo.comredistributesAROME (Météo-France)Modelsstated on the page: open-meteo.comredistributesMet Office Unified ModelModelsstated on the page: open-meteo.comredistributesECMWF AIFSModelsstated on the page: open-meteo.comtakes its data fromECMWF open dataOpen data and APIsstated on the page: open-meteo.comtakes its data fromDWD open data serverOpen data and APIsstated on the page: open-meteo.comtakes its data fromNOAA NOMADS (NCEP model output)Open data and APIsOpen-MeteoOpen data and APIs

Left: what points at it. Right: what it points at. Each line carries its verb; a dashed line was not confirmed on the page cited, or the site does not say; the table below gives the page and the time read for each. From data-open-meteo.json

Where a forecast comes from · Open data and APIs · id data-open-meteo · as data

One HTTP API in front of many national models (ECMWF, GFS, ICON, ARPEGE/AROME, UKMO and more), no key for non-commercial use.

Address: https://open-meteo.com/ (leaves this site) Our page about the site (by incident.weatherwatch@): research/weather-sites

What it is connected to, and who says so

The same thing elsewhere on this site: source:open-meteo in the register of sources (a join we state, not a match by address).

ThisVerbThatThe page that says soReadCheck
Open-MeteoredistributesECMWF IFSopen-meteo.com: "ECMWF Forecast API / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme ECMWF Weather Forecast API Full Resolution 1-hourly IFS HRES"11:29 UTC, 11 Novstated on the page
Open-MeteoredistributesGFS (NOAA/NCEP)open-meteo.com: "GFS & RRFS API / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme GFS & RRFS Forecast API Global GFS model combined with 3-km RRFS"11:29 UTC, 11 Novstated on the page
Open-MeteoredistributesICON (DWD)open-meteo.com: "DWD ICON API / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme DWD ICON API Open data weather forecasts from the German weather service"11:29 UTC, 11 Novstated on the page
Open-MeteoredistributesARPEGE (Météo-France)open-meteo.com: "Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme Météo-France API Global ARPEGE model combined with high resolution AROME model Météo-France Weather Forecast DWD Germany NOAA U.S."11:28 UTC, 11 Novstated on the page
Open-MeteoredistributesAROME (Météo-France)open-meteo.com: "API Docs Animations GitHub X Toggle theme Météo-France API Global ARPEGE model combined with high resolution AROME model Météo-France Weather Forecast DWD Germany NOAA U.S. Météo-France ECMWF UK Met Office JMA Japan Mete"11:28 UTC, 11 Novstated on the page
Open-MeteoredistributesMet Office Unified Modelopen-meteo.com: "UK Met Office API / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme UK Met Office API Weather forecasts from the United Kingdom's"11:29 UTC, 11 Novstated on the page
Open-MeteoredistributesECMWF AIFSopen-meteo.com: "transition-none"> ECMWF IFS 0.25° svg]:size-3.5 grid place-content-center text-current transition-none"> ECMWF AIFS 0.25° Single Note: The default Best Match provides the best forecast for any given location worldwide. S"11:29 UTC, 11 Novstated on the page
Open-Meteotakes its data fromECMWF open dataopen-meteo.com: "wave forecasts from Deutscher Wetterdienst DWD ( CC-BY Licence ) Atmospheric, ensemble and wave forecasts from European Centre for Medium-Range Weather Forecasts ECMWF ( CC-BY Licence ) Atmospheric, ensemble and wave for" Open-Meteo's licence page lists each upstream service with its licence.11:29 UTC, 11 Novstated on the page
Open-Meteotakes its data fromDWD open data serveropen-meteo.com: "utilises open-data from various national weather services including: Atmospheric, ensemble and wave forecasts from Deutscher Wetterdienst DWD ( CC-BY Licence ) Atmospheric, ensemble and wave forecasts from European Centr"11:29 UTC, 11 Novstated on the page
Open-Meteotakes its data fromNOAA NOMADS (NCEP model output)open-meteo.com: "Centre for Medium-Range Weather Forecasts ECMWF ( CC-BY Licence ) Atmospheric, ensemble and wave forecasts from NOAA NCEP ( Licence ) Atmospheric and ensemble forecasts from Canadian Meteorological Centre CMC ( Licence )"11:29 UTC, 11 Novstated on the page
Open-Meteopublished byThe Open-Meteo projectopen-meteo.com: "🌦️ Docs / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme Weather Forecast API Seamless integration of high-resolution weather models with"11:29 UTC, 11 Novstated on the page
Open-Meteovisualised byOpen-Meteoopen-meteo.com: "🌤️ Free Open-Source Weather API / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme Free Weather API Free weather forecast and historical weather API — 30+ models, historical" The front page of the API itself; its upstream services are on the data node.11:30 UTC, 11 Novstated on the page

Licence: what we may do with it

Open-Meteo (API data): CC BY 4.0 for the data; the free API is for non-commercial use (open-meteo.com, read 11:29 UTC, 11 Nov, stated on the page).

ReadStoreShowTransformAttribution
yes, non-commercial use on the free APIyesyes, with attributionyes, with attribution"Weather data by Open-Meteo.com", linked; a change must be stated.

Free API: non-commercial only, fewer than 10,000 calls a day (its terms page). A newsroom that sells advertising or subscriptions should use the paid plan or the models' own open data.

What it offers for Lisbon and Madeira this week

Hourly gusts, mean wind, rain, pressure and some 80 other variables for any point, from each model separately: ECMWF IFS and AIFS, GFS, ICON, Météo-France (ARPEGE/AROME), UKMO and others, in one call. The only source here that gives several models for Lisbon and Funchal as plain JSON.

  • Endpoint: https://api.open-meteo.com/v1/forecast
  • Key: none (non-commercial use)
  • Format: JSON (also CSV, XLSX, FlatBuffers)
  • Size: 4.3 KB for two places × six models × four variables × 48 hours (our probe)
  • Cadence: each model as its centre publishes it (ECMWF every 6 h, GFS every 6 h, ICON every 3 to 6 h); the API follows within hours
  • This week (probe read 02:29 UTC, 11 Nov): Read 02:29 UTC on 11 November: both places answered for 11 and 12 November from all six models asked. It snaps to its grid: Lisbon was answered at 38.75 N, 9.25 W.
  • How to read it: One GET with latitude, longitude, hourly=…, models=…, start_date, end_date.
  • Limits: Free API non-commercial only, under 10,000 calls a day (its terms). A grid cell, not a station: mountains and coast are smoothed.
  • A small sample, as returned: open-meteo-lisbon-funchal.json

Not a warning service: this page explains where data comes from. For warnings follow IPMA and ANEPC.