If you're looking for another Meteomatics alternative, Tomorrow.io is worth a look. It offers hyper-accurate weather data and forecasts, including real-time data, weather forecast API, historical weather API, and probabilistic forecasting. The service is geared for companies trying to manage weather risks and make more proactive decisions, so it's good for supply chain management and disaster recovery.
Another contender is Atmo, an AI-based weather forecasting service that combines global weather data from many sources into hyper-local forecasts with high accuracy. It can generate forecasts up to 40,000 times faster and 100 times more detailed than conventional models, and it's geared for government and enterprise customers, particularly for microclimates.
If you're a developer or business that wants to use weather data in your app without having to juggle multiple APIs, Weather Machine is worth a look. It combines data from multiple forecast APIs into a single interface, with advanced forecast-aware caching and low price tiers. That can be good for developers and businesses that need forecasts and want to avoid data bloat.
Last, Pirate Weather offers transparent and detailed weather forecasts based on raw model data from government agencies. It can handle multiple model sources and includes features like sub-hourly forecasts and precipitation types. That makes it good for applications that need raw, unprocessed forecast data, like precision agriculture or aviation.