Open-Meteo

Free open-source weather API, no API key required

About Open-Meteo

Open-Meteo is a free, open-source weather API offering forecasts, historical archives, and climate data assembled from more than thirty models run by major national weather services. Developers query simple JSON endpoints without an API key or sign-up, with data licensed under CC BY 4.0 and the server code under the AGPLv3. It suits app developers, researchers, and machine-learning teams needing global weather data, from current conditions to reanalysis dating back to 1940.

Open-Meteo website preview

Live preview of open-meteo.com via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Open-Meteo: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers weather api, forecasts, historical data, open source — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 1009 tools in the Data & Analytics category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Open-Meteo pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	open-meteo.com

Open-Meteo key facts

Category: Data & Analytics
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: weather api, forecasts, historical data, open source
Official site: open-meteo.com

Open-Meteo FAQ

How much does Open-Meteo cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (open-meteo.com).

What is Open-Meteo used for?

Free open-source weather API, no API key required Its focus areas in the Data & Analytics category: weather api, forecasts, historical data, open source.

Where can I try Open-Meteo?

On its official site, open-meteo.com — the Visit Official Site button above goes straight there.

Open-Meteo vs alternatives

	Open-Meteo	Airbyte	Apache Airflow	Apache Atlas
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.	Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas	weather api, forecasts, historical data, open source	etl, data integration, open source, data pipeline, connectors	orchestration, pipelines, open source	governance, metadata, open source
Official site	open-meteo.com	airbyte.com	airflow.apache.org	atlas.apache.org
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Data & Analytics category

Analytics and BI platforms that turn raw data into clear insights. The Data & Analytics category on Tools Hub currently lists 1009 tools. Alongside Open-Meteo, it includes SheetAI, FormulasHQ, GPTExcel, Signal87 AI.

FreemiumData & Analyticsweather-apiforecastshistorical-dataopen-source

Alternatives to Open-Meteo

Tools in the same Data & Analytics category that share focus areas with Open-Meteo — worth comparing before you commit:

Data & Analytics

Airbyte

Open-source data integration, 600+ connectors.

Freemiumetldata-integrationopen-sourcedata-pipeline

Data & Analytics

Apache Airflow

Platform to programmatically author and schedule workflows

Freeorchestrationpipelinesopen-source

Data & Analytics

Apache Atlas

Metadata and governance for Hadoop ecosystems

Freegovernancemetadataopen-source

Data & Analytics

Apache Druid

Realtime analytics database for event data

Freerealtime-analyticsolapopen-source

Data & Analytics

Apache Flink

Stream processing framework for data pipelines

Freestream-processingrealtimeopen-source

Data & Analytics

Apache Kafka

Distributed event streaming platform

Freeevent-streamingmessagingopen-source

More in Data & Analytics

Comparing tools in the Data & Analytics category? These related listings are worth a look: SheetAI — AI inside Google Sheets for text, images, video and music; FormulasHQ — Generate Excel formulas in plain English; GPTExcel — Free Excel AI for formulas, pivot tables and data analysis.