Brandwave

AccuWeather vs Open-Meteo:Which is more popular?

In September 2026, AccuWeather had more branded searches than Open-Meteo among weather APIs worldwide. AccuWeather had about 6.1 million branded searches, while Open-Meteo had 41,200. AccuWeather made up 98.4% of all weather API searches we track, and Open-Meteo accounted for 0.66%. When we asked ChatGPT and Google AI Overviews about weather APIs, Open-Meteo appeared in all five answers and AccuWeather in one. Open-Meteo was mentioned before AccuWeather in every answer.

Among weather APIs worldwide in September 2026

Who do people search for more?

AccuWeather, about 149 searches for every 1 for Open-Meteo

AccuWeather 6.1M searchesOpen-Meteo 41.2K searches

Who does AI mention more?

Open-Meteo, mentioned in every answer we collected

Open-Meteo in 5 of 5AccuWeather in 1 of 5

Who does AI recommend more?

Open-Meteo, named ahead of AccuWeather in every answer

Open-Meteo first in 5AccuWeather never first

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Top weather APIs in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Open-Meteo appeared in all five answers. AccuWeather was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Open-Meteo was listed before AccuWeather in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Open-Meteo1st
  2. WeatherAPI2nd
  3. OpenWeather3rd
  4. Tomorrow.io4th
  5. Visual Crossing5th
  6. AccuWeather6th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Open-Meteo5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • WeatherAPI4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Tomorrow.io4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Visual Crossing4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • OpenWeather3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • AccuWeather1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about weather APIs

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is AccuWeather or Open-Meteo more popular in search?

This chart shows how often people search Google for AccuWeather and Open-Meteo by name. Each line represents a brand's share of searches for all six weather APIs we track, month by month, from English-language searches worldwide.

AccuWeather and Open-Meteo among weather APIs worldwide, by month

Share of searches by month for AccuWeather, Open-Meteo. The figures are in the table below the chart.

View monthly share of searches table
MonthAccuWeatherOpen-MeteoWeatherAPIOpenWeatherTomorrow.ioVisual Crossing
Oct 202598.4%0.38%0.65%0.44%0.05%0.05%
Nov 202598%0.54%0.79%0.53%0.07%0.06%
Dec 202598.6%0.36%0.53%0.44%0.06%0.04%
Jan 202698.9%0.3%0.44%0.29%0.04%0.04%
Feb 202698%0.64%0.65%0.53%0.11%0.06%
Mar 202698.1%0.64%0.65%0.53%0.07%0.05%
Apr 202698.2%0.66%0.53%0.53%0.06%0.05%
May 202698.5%0.54%0.44%0.44%0.06%0.04%
Jun 202698.6%0.54%0.44%0.36%0.05%0.03%
Jul 202698.6%0.52%0.44%0.36%0.04%0.03%
Aug 202698.7%0.52%0.36%0.36%0.04%0.03%
Sep 202698.4%0.66%0.44%0.36%0.07%0.04%

How has the AccuWeather and Open-Meteo comparison changed over the last 12 months?

3 findings
  • AccuWeather was ahead of Open-Meteo in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, AccuWeather’s share of searches among weather APIs worldwide held steady at 98.4%, and its estimated monthly branded searches held steady at 6.1M.
  • Across the 12 months ending September 2026, Open-Meteo’s share of searches among weather APIs worldwide moved from 0.38% to 0.66%, and its estimated monthly branded searches moved from 23.5K to 41.2K.

How did search popularity change for weather APIs worldwide in September 2026?

1 change

  1. Estimated monthly branded searches for Open-Meteo worldwide rose 75.3% over 12 measured months, from 23.5K to 41.2K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using AccuWeather’s and Open-Meteo’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

AccuWeather

1 branded search term

  • accuweather

Open-Meteo

2 branded search terms

  • open meteo
  • openmeteo

How the Brand Demand Index is measured

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