Who it is for
Travellers and planners checking conditions or air quality across several places at once.
Weather and air quality lookups by location
Overview
Tomorrow.io opens forecast and air quality data to conversational questions covering locations worldwide. Typical requests compare conditions between cities, ask when a place is likely to be comfortable to visit, or check current pollution and pollen readings in a given area.
Output is laid out by day or by location, so a week ahead view and a multi-city comparison are both possible. The sample prompts include a New York forecast, pollen levels in Manhattan, and air pollution in New Delhi.
The parent company operates a weather intelligence platform built on its own satellite constellation, AI models, and operational workflows sold to organisations. This app is described as the exploratory and informational side of that work, not the operational product.
Travellers and planners checking conditions or air quality across several places at once.
Air quality and pollen sit next to the forecast, and locations can be compared against each other.
Availability
Tomorrow.io Weather is listed in the ChatGPT apps directory only. Tomorrow.io has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
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This is an independent catalogue entry compiled by Node8 from Tomorrow.io Weather's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Tomorrow.io, and inclusion here is not an endorsement.
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.