418 datasets found

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  • Near real-time 10-minute automated in-situ ground-based meteorological observ...

    KNMI collects in-situ meteorological surface observations from automatic weather stations situated in the Netherlands, including the Caribbean Netherlands (BES islands). The...
      Data format: NetCDF Dataset period: 2012-01-01 to present License: CC-BY-4.0 APIs: Open Data API Notification Service EDR API

  • Precipitation - 5 minute radar nowcast over The Netherlands up to 2 hours ahead

    Nowcast precipitation forecast up to 2 hours ahead, per 5 minutes, over the Netherlands. The forecast contains 25 time steps: +0 minutes to +120 minutes. Forecasted is the...
      Data format: HDF5 Dataset period: 2024-08-01 to present License: CC-BY-4.0 APIs: Open Data API Notification Service WMS

  • HARMONIE-AROME Cy43 forecasts Europe, near surface, boundary layer and pressu...

    Current operational HARMONIE information in gridded form (rotated lat-lon) of near surface and boundary layer (up to 300 m) parameters and a few pressure levels from the UWC-...
      Data format: GRIB Dataset period: 2024-06-03 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • HARMONIE-AROME Cy43 forecast Netherlands meteorological parameters

    HARMONIE information in gridded form (regular lat-lon) of near surface and boundary layer (up to 300 m) parameters from the UWC-West HARMONIE-AROME Cy43 model. For this weather...
      Data format: GRIB Dataset period: 2026-01-08 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Short term weather forecast

    General weather forecast for the Netherlands, presented as text. Forecast is for the current and upcoming day. The data is published in two different formats: txt and xml.
      Data format: TXT XML Dataset period: 2023-10-10 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Precipitation - radar/gauge 5 minute real-time accumulations over the Netherl...

    Gridded files of radar-derived 5 minute precipitation accumulations, corrected by rain gauge data. Radar data over the Netherlands and surrounding area measured by Dutch,...
      Data format: HDF5 Dataset period: 2018-12-07 to present License: CC-BY-4.0 APIs: Open Data API Notification Service WMS

  • Precipitation - radar 5 minute full volume data Herwijnen

    Volume data of all polarimetric radar variables, including those related to quality for the radar in Herwijnen. Time interval is 5 minutes.
      Data format: HDF5 Dataset period: 2016-08-26 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Precipitation - radar 5 minute full volume data Den Helder

    Volume data of all radar moments (e.g. radar reflectivity, radial velocity, polarimetric variables, quality indicators) for the radar in Den Helder. Time interval is 5 minutes....
      Data format: HDF5 Dataset period: 2008-01-01 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Weather forecasts for winter road maintenance to RWS

    KNMI supplies to RWS three winter road maintenance weather forecasts: weerbericht gladheidsbestrijding (regional forecast), weerbericht kansverwachting gladheidsmodel (national...
      Data format: XML Dataset period: 2026-10-01 to present License: closed APIs: Open Data API Notification Service

  • Cloud-modified UV index Benelux

    Cloud-free and cloud-modified UV index data for an area covering the Benelux for each 10 minutes from 03:00 UTC up to and including 21:30 UTC, both in the non-dimensional unit,...
      Data format: NetCDF Dataset period: 2026-09-25 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Annual, validated and automated in-situ ground-based meteorological surface o...

    KNMI collects in-situ meteorological surface observations from automatic weather stations situated in the Netherlands, including the Caribbean Netherlands (BES islands). The...
      Data format: NetCDF Dataset period: 1901-01-01 to present License: CC-BY-4.0 APIs: Open Data API Notification Service EDR API

  • Monthly, validated and automated in-situ ground-based meteorological observat...

    KNMI collects in-situ meteorological surface observations from automatic weather stations situated in the Netherlands, including the Caribbean Netherlands (BES islands). The...
      Data format: NetCDF Dataset period: 1901-01-01 to present License: CC-BY-4.0 APIs: Open Data API Notification Service EDR API

  • [TEST PHASE DATA] HARMONIE-AROME Cy46 forecasts Europe for all model levels, ...

    Current operational HARMONIE information in gridded form of selected parameters at all model levels from the UWC-West HARMONIE-AROME Cy46 model. The P5 package contains 4 model...
      Data format: GRIB Dataset period: 2026-09-11 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • [TEST PHASE DATA] HARMONIE-AROME Cy46 forecasts Europe, near surface, boundar...

    Current operational HARMONIE information in gridded form for the European domain. The P3 package contains meteorological near surface parameters for almost the whole of the...
      Data format: GRIB Dataset period: 2026-09-11 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • [TEST] KNMI professional weather warnings

    Dutch weather warnings and potentially dangerous weather from KNMI for professional users. This dataset is intended for professional partners and users, including national and...
      Data format: JSON Dataset period: 2026-09-07 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • [TEST] KNMI public weather warnings

    Dutch weather warnings and potentially dangerous weather from KNMI for the general public. Warnings and potentially dangerous weather are indicated for iciness and snow, rain,...
      Data format: JSON CAP Dataset period: 2026-09-07 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Clouds, precipitation and radiation - MTG-CPP products

    The Cloud Physical Properties (CPP) algorithm is being developed at KNMI to derive cloud, precipitation and radiation products from satellite instruments such as FCI onboard the...
      Data format: NetCDF Dataset period: 2026-07-30 to present License: CC-BY-4.0 APIs: Open Data API Notification Service WMS

  • [TEST PHASE DATA] HARMONIE-AROME Cy46 forecast Netherlands meteorological par...

    This dataset contains HARMONIE information in gridded form. The P1 package contains the meteorological parameters for the Netherlands and its direct surroundings, at...
      Data format: GRIB Dataset period: 2026-08-03 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • Wet Bulb Globe Temperature

    Wet Bulb Globe temperature (WBGT) data, derived from the 10 minute synoptic observations dataset from KNMI. Calculations for the WBGT were done using the Liljegren method....
      Data format: CSV Dataset period: 2012-01-01 to present License: CC-BY-4.0 APIs: Open Data API Notification Service

  • EMADDC General Dataset

    The European Meteorological Aircraft Derived Data Center (EMADDC), accessible at emaddc.eu, processes aircraft surveillance data to generate observations related to wind speed,...
      Data format: CSV NetCDF BUFR Dataset period: 2026-04-16 to present License: closed APIs: Open Data API Notification Service