OpenWeather website screenshot

OpenWeather

OpenWeather is a data platform that provides accurate and reliable weather information to individuals, businesses, and organizations around the world. They gather real-time data from a network of sensors, satellites, and weather stations to deliver comprehensive weather forecasts, historical weather data, and climate information.

OpenWeather publishes 3 APIs on the APIs.io network, including Air Pollution API, One Call API, and 1 more. Tagged areas include Air Pollution, Air Quality, Climate, Forecasting, and Weather.

OpenWeather’s developer surface includes authentication, documentation, pricing, signup flow, engineering blog, FAQ, support, and 8 more developer resources.

46.2/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
3 APIs
Air PollutionAir QualityClimateForecastingWeather

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 46.2/100 · developing
Contract Quality 15.5 / 25
Developer Ergonomics 5.2 / 20
Commercial Clarity 14.2 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/openweather: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

OpenWeather Air Pollution API

The Air Pollution API provides current, forecast, and historical air pollution data for any coordinates on the globe. It returns the basic Air Quality Index along with concentra...

OpenWeather Air Pollution API

Current, forecast, and historical air pollution data.

OpenWeather One Call API

Combined current weather, forecast, and historical weather data.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Openweather Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Openweather Authentication

apiKey · 1 scheme

SECURITY

Openweather Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Openweather Agentic Access

5 operations

5 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: openweather
name: OpenWeather
description: OpenWeather is a data platform that provides accurate and reliable weather information to individuals, businesses,
  and organizations around the world. They gather real-time data from a network of sensors, satellites, and weather stations
  to deliver comprehensive weather forecasts, historical weather data, and climate information.
kind: contract
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/openweather.png
tags:
- Air Pollution
- Air Quality
- Climate
- Forecasting
- Weather
created: '2024-11-07'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/openweather/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: openweather:openweather-air-pollution-api
  name: OpenWeather Air Pollution API
  description: The Air Pollution API provides current, forecast, and historical air pollution data for any coordinates on
    the globe. It returns the basic Air Quality Index along with concentrations of CO, NO, NO2, O3, SO2, NH3, PM2.5, and PM10
    pollutants.
  humanURL: https://openweathermap.org/api/air-pollution
  tags:
  - Air Pollution
  - Air Quality
  - Weather
  properties:
  - type: Documentation
    url: https://openweathermap.org/api/air-pollution
  - type: Pricing
    url: https://openweathermap.org/price
  - type: Signup
    url: https://home.openweathermap.org/users/sign_up
- aid: openweather:openweather-air-pollution-api
  name: OpenWeather Air Pollution API
  description: Current, forecast, and historical air pollution data.
  humanURL: https://openweathermap.org/api/one-call-3
  tags:
  - Air Pollution
  properties:
  - type: OpenAPI
    url: openapi/openweather-air-pollution-api-openapi.yml
  - type: Documentation
    url: https://openweathermap.org/api/one-call-3
  - type: Pricing
    url: https://openweathermap.org/price
  - type: Signup
    url: https://home.openweathermap.org/users/sign_up
- aid: openweather:openweather-one-call-api
  name: OpenWeather One Call API
  description: Combined current weather, forecast, and historical weather data.
  humanURL: https://openweathermap.org/api/one-call-3
  tags:
  - One Call
  properties:
  - type: OpenAPI
    url: openapi/openweather-one-call-api-openapi.yml
  - type: Documentation
    url: https://openweathermap.org/api/one-call-3
  - type: Pricing
    url: https://openweathermap.org/price
  - type: Signup
    url: https://home.openweathermap.org/users/sign_up
common:
- type: AgenticAccess
  url: agentic-access/openweather-agentic-access.yml
- type: DomainSecurity
  url: security/openweather-domain-security.yml
- type: Authentication
  url: authentication/openweather-authentication.yml
- type: GitHubOrganization
  url: https://github.com/openweathermap
- type: LinkedIn
  url: https://www.linkedin.com/company/openweathermap
- url: https://openweathermap.org/
  name: OpenWeather
  type: Website
  description: Official OpenWeather website.
- url: https://openweathermap.org/api
  name: API Catalog
  type: API Portal
  description: Catalog of all OpenWeather APIs and data products.
- url: https://openweathermap.org/technology
  name: Technology
  type: Documentation
  description: Overview of OpenWeather data sources and processing technology.
- url: https://openweathermap.org/price
  name: Pricing
  type: Pricing
  description: OpenWeather subscription tiers and pricing.
- url: https://home.openweathermap.org/users/sign_up
  name: Sign Up
  type: Signup
  description: Create an OpenWeather account and obtain an API key.
- url: https://openweather.co.uk/blog
  name: Blog
  type: Blog
  description: OpenWeather blog with product news and weather data insights.
- url: https://openweathermap.org/faq
  name: FAQ
  type: FAQ
  description: Frequently asked questions about OpenWeather APIs and data.
- url: https://openweathermap.org/contact-us
  name: Support
  type: Support
  description: Contact and support resources for OpenWeather customers.
- url: https://openweather.co.uk/privacy-policy
  name: Privacy
  type: Privacy
  description: OpenWeather privacy policy.
- url: https://openweather.co.uk/terms
  name: Terms of Service
  type: TermsOfService
  description: OpenWeather terms of service.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com