OpenWeather vs Tomorrow.io:Which is more popular by branded search?
In August 2026, OpenWeather had more branded searches than Tomorrow.io among weather APIs worldwide. OpenWeather was estimated to have 27.1K branded searches compared to Tomorrow.io’s 2.9K, and held a 0.36% Share of Search versus Tomorrow.io’s 0.04%. These are worldwide searches for English-language branded terms.
Follow OpenWeather vs Tomorrow.io and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, OpenWeather or Tomorrow.io?
Compare the APIs developers add weather data with. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for OpenWeather, Tomorrow.io. The figures are in the table below the chart.
View monthly share of search table
| Month | AccuWeather | OpenWeather | WeatherAPI | Tomorrow.io | Visual Crossing |
|---|---|---|---|---|---|
| Oct 2025 | 98.8% | 0.44% | 0.65% | 0.05% | 0.04% |
| Nov 2025 | 98.5% | 0.53% | 0.8% | 0.07% | 0.06% |
| Dec 2025 | 98.9% | 0.44% | 0.54% | 0.06% | 0.04% |
| Jan 2026 | 99.2% | 0.29% | 0.44% | 0.04% | 0.03% |
| Feb 2026 | 98.7% | 0.53% | 0.65% | 0.11% | 0.05% |
| Mar 2026 | 98.7% | 0.53% | 0.65% | 0.07% | 0.05% |
| Apr 2026 | 98.8% | 0.53% | 0.53% | 0.06% | 0.05% |
| May 2026 | 99% | 0.44% | 0.44% | 0.06% | 0.03% |
| Jun 2026 | 99.1% | 0.36% | 0.44% | 0.05% | 0.03% |
| Jul 2026 | 99.1% | 0.36% | 0.44% | 0.04% | 0.03% |
| Aug 2026 | 99.2% | 0.36% | 0.36% | 0.04% | 0.03% |
| Sep 2026 | — | — | — | — | — |
How has the OpenWeather and Tomorrow.io comparison changed over the last 12 months?
3 findings
- OpenWeather was ahead of Tomorrow.io in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, OpenWeather’s estimated Share of Search among weather APIs worldwide moved from 0.44% to 0.36%, and its estimated monthly branded searches held steady at 27.1K.
- Across the 11 months ending August 2026, Tomorrow.io’s estimated Share of Search among weather APIs worldwide moved from 0.05% to 0.04%, and its estimated monthly branded searches held steady at 2.9K.
How did search popularity change for weather APIs worldwide in August 2026?
1 change
In August 2026, OpenWeather rose from 3rd to 2nd among weather APIs worldwide.
How each brand is measured
Brandwave collects information about searches that people make online using OpenWeather’s and Tomorrow.io’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.
OpenWeather
1 branded search term
- openweather
Tomorrow.io
1 branded search term
- tomorrow io

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.