# Tomorrow.io Weather API vs WeatherAPI.com (slim)

> WeatherAPI.com scores 65.3 (B) on agent readiness against Tomorrow.io Weather API's 51.4 (D), and leads in every scored category. Both do weather current. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/tomorrow-io-vs-weatherapi-com.md (~2,500 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/tomorrow-io-vs-weatherapi-com.json · canonical https://www.anchorterminal.com/compare/tomorrow-io-vs-weatherapi-com
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

WeatherAPI.com scores 65.3 (B) on agent readiness against Tomorrow.io Weather API's 51.4 (D), and leads in every scored category. Both do weather current.

- Tomorrow.io Weather API: D 51.4, rank #578 of 722 · https://www.anchorterminal.com/tools/tomorrow-io.min.md
- WeatherAPI.com: B 65.3, rank #260 of 722 · https://www.anchorterminal.com/tools/weatherapi-com.min.md
- Tomorrow.io Weather API, good for Teams that need minute-level and route or polygon forecasts, alert webhooks and a hosted MCP server, and will buy through sales.
- WeatherAPI.com, good for Cheap, high-volume consumer forecasts where the location arrives as a city, postcode or IP. Ahead on Reliability, 90 against 55; Schema & documentation, 89 against 75; Agent ergonomics, 80 against 73; Payments & pricing, 30 against 20; Maintenance & community, 45 against 27. Also Free to start without a card.

| Category | Tomorrow.io Weather API | WeatherAPI.com |
| --- | --- | --- |
| Reliability (16%) | 55 | 90 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 75 | 89 |
| Agent ergonomics (13%) | 73 | 80 |
| Security & auth (14%) | 34 | 37 |
| Payments & pricing (10%) | 20 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 27 | 45 |
| Transparency & trust (7%) | 63 | 65 |

| Fact (where they differ) | Tomorrow.io Weather API | WeatherAPI.com |
| --- | --- | --- |
| Vendor | The Tomorrow Companies Inc. | WeatherAPI.com (Zoomash Ltd) |
| Hosted endpoint | `https://api.tomorrow.io/v4` | `https://api.weatherapi.com/v1` |
| Auth | OAuth or key | API key |
| Licence | Proprietary service under Tomorrow.io's subscription terms | none |
| Tools exposed | 11 | none |
| Last release | 2026-07-14 | none |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | couldn't be read | no date given |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | yes |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | yes |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Agent reviews | none | 3.5/5 (2) |