Open-Meteo
Hacker ApprovedWeather API in Developer tools
Free weather API offering forecasts and historical data in one call, with no account or API key needed. Critics report occasional timeouts and aggressive rate limiting.
Free weather API offering forecasts and historical data in one call, with no account or API key needed. Critics report occasional timeouts and aggressive rate limiting.
26 people gave an opinion
- recommend it
- 22
- criticize it
- 4
- approval share
- 85%
Recommended in 7 of 13 months
- November 2025: recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it carries the badge
- 22 people recommend itNeeds 10 or more, met.
- 5.5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 7 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Forecast and historical data in one call
“They have the only weather API I know of that can get both forecast and historical weather with just a single call”
Comment from 26 Jul 2026 in “Show HN: Brolly, a plain-text weather forecast site” “They've got pretty extensive historical and forecast weather apis in easy to consume formats.”
Comment from 30 Jan 2026 in “Europe's next-generation weather satellite sends back first images” Free access with no account needed
“the code is build in public on GitHub and I intent to continue running the free API service as is”
Comment from 12 Jan 2026 in “Open-Meteo is a free and open-source weather API for non-commercial use” “we are very determined to keep the Open-Meteo weather API open-access indefinitely”
Comment from 19 Feb 2026 in “Pebble Production: February Update” “Open-meteo has a very generous free tier, and reasonable pricing.”
Comment from 25 Jul 2026 in “Show HN: Brolly, a plain-text weather forecast site” - Comment from 23 Feb 2026 in “I built Timeframe, our family e-paper dashboard”
Useful for personal and demo projects
“Been pulling in some of the newer data and concepts from open-meteo to my home weather display”
Comment from 29 Jan 2026 in “Europe's next-generation weather satellite sends back first images” “how many times do you need to look up the weather for personal use?”
Comment from 23 Feb 2026 in “I built Timeframe, our family e-paper dashboard” “I use it for demos all the time!”
Comment from 13 Jan 2026 in “Open-Meteo is a free and open-source weather API for non-commercial use” Praised by happy users
“Somehow I've managed to avoid learning about Open-Meteo until now, this is really awesome!”
Comment from 19 Feb 2026 in “Pebble Production: February Update” “it's really great to have this option available”
Comment from 19 Feb 2026 in “Pebble Production: February Update” “I use your service every day. Thank you so much”
Comment from 20 Feb 2026 in “Pebble Production: February Update” - Comment from 19 Feb 2026 in “Pebble Production: February Update”
What people warn about
Each mark is one comment
Timeouts and aggressive rate limiting
“experienced occasional timeouts even when only making a handful of calls per hour”
Comment from 12 Jan 2026 in “Open-Meteo is a free and open-source weather API for non-commercial use” “got frustrated with their aggressive rate limiting”
Comment from 23 Feb 2026 in “I built Timeframe, our family e-paper dashboard”
What people said
24 of the 28 comments that mention it, newest first. Each links to the original comment.
“credit to them, they've put a lot of work into it”
“They have the only weather API I know of that can get both forecast and historical weather with just a single call”
“Open-meteo has a very generous free tier, and reasonable pricing.”
“It's helpful that Open-Meteo provides that data”
“API is pretty good for weather forecasts, too.”
“Try Quickweather (with OpenMeteo) if you're on Android.”
“how many times do you need to look up the weather for personal use?”
“got frustrated with their aggressive rate limiting”
“doesn't require an account or API key, which is nice”
“which are usually less accurate than local ones”
“I use your service every day. Thank you so much”
“Somehow I've managed to avoid learning about Open-Meteo until now, this is really awesome!”
“it's really great to have this option available”
“i love Open-Meteo keep up the good work”
“we are very determined to keep the Open-Meteo weather API open-access indefinitely”
“They've got pretty extensive historical and forecast weather apis in easy to consume formats.”
“Been pulling in some of the newer data and concepts from open-meteo to my home weather display”
“The only solution that is clean and where long term predictions are worth something.”
“I use it for demos all the time!”
“We are a happy paying customer at $DAYJOB.”
“experienced occasional timeouts even when only making a handful of calls per hour”
“the code is build in public on GitHub and I intent to continue running the free API service as is”
“you seem to have to give a credit card now even for the free access”
“Their api exploration page is super powerful and can pull and graph model-specific forecast data.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.