Met Office Weather DataHub

Met Office Weather DataHub

Met Office Weather DataHub provides UK weather forecast, observation and severe-weather-warning products via REST APIs and an Atom feed (the National Severe Weather Warning Service, NSWWS), each product requiring a free subscriber API key and managed under its own quota tier. The FAQs page says: "The data and products listed on Met Office Weather DataHub are made available to you under a perpetual, worldwide, non-exclusive, non-transferable licence to download, use, copy, publish, distribute, transmit, adapt and exploit the Met Office Weather DataHub Products for use in your application."

Coverage

Quotas are set per product; the NSWWS example on the FAQs page: "Yes, the API has a daily quota of 20,000 API calls per 24 hours, which resets at 00:00 UTC. There is a burst limit of 200 requests per second." More data than the free tier allows requires contacting Met Office directly: "Any international consumers (please see definition of consumer) wanting more data than is available in the free tier, will need to contact us through the Enterprise option, to ensure that the correct in country sales tax is added." Register your own free API key rather than sharing one. History start and update frequency: Not stated beyond per-product quota documentation.

Verdict

UK weather forecasts, observations and severe-weather warnings (NSWWS) via REST APIs and an Atom feed, requiring a free subscriber API key, with quotas set per product. Licensed Custom (Met Office Weather DataHub Terms and Conditions): "The data and products listed on Met Office Weather DataHub are made available to you under a perpetual, worldwide, non-exclusive, non-transferable licence to download, use, copy, publish, distribute, transmit, adapt and exploit the Met Office Weather DataHub Products for use in your application." Commercial use is allowed: "Can I use the data I obtain commercially? Yes. Subject to the terms of the licence granted to you (see Question & Answer above)." Required attribution statement: “Powered by Met Office data”. Rate limits: quota-limited per product (NSWWS example above); Not stated as a single portal-wide figure. Signal Lab links only.