OpenWeather vs Tomorrow.io pricing
Both are in weather apis. OpenWeather is billed per call / freemium tiers; Tomorrow.io is billed per api call / tiered. Numbers below are copied from each vendor's pricing page.
OpenWeatherFree tier or trial
- Free tier
- 1M calls/mo (classic) + 1k One Call calls/day
- Billed
- Per call / freemium tiers
- Best for
- Ubiquitous developer weather API
- Verified
- Jun 27, 2026
Tomorrow.ioFree tier or trial
- Free tier
- Free plan (rate-limited daily/hourly/per-sec)
- Billed
- Per API call / tiered
- Best for
- Enterprise weather intelligence
- Verified
- Jun 27, 2026
OpenWeather plans
| Plan | Price | What it covers |
|---|---|---|
| Free | $0 | 60 calls/min, ~1,000,000 calls/month; current weather, 5-day/3-hour forecast, basic endpoints |
| One Call API 3.0 (pay as you call) | 1,000 calls/day free, then ~0.0012 GBP (~$0.0015) per call | Current, minute (1h), hourly (48h), daily (8d), alerts, historical archive, summaries; per-call billing |
| Startup | ~$40/month | 600 calls/min, 10M calls/month; ~95% availability target, data update every ~2 hours |
| Developer | ~$180/month | 3,000 calls/min, 100M calls/month; 99.5% availability, hourly updates |
| Professional | ~$470/month | 30,000 calls/min, 1B calls/month; 99.5% availability, ~10-min updates |
| Enterprise | from $3,000/month | 100,000 calls/min, 3B calls/month; up to 99.9% availability, dedicated/custom terms |
- Meaningful uptime (99.5%+) and faster data refresh are gated behind higher paid tiers; Startup targets only ~95%
- Free tier rate limits (60 calls/min, 429 errors) are easy to hit for moderately popular apps
Source: https://openweathermap.org/price
Tomorrow.io plans
| Plan | Price | What it covers |
|---|---|---|
| Free API Plan | $0 | 500 API calls/day, 3 req/s, up to 5-day forecast, 1 weather alert, 1 monitored location; core parameters (temp, wind, precip, humidity). |
| API Plan (paid) | Usage-based / contact sales | Priced on API call volume with tiers for higher demand; unlocks premium layers (pollen, lightning, air quality) and longer forecasts. No public per-call price. |
| Platform Plan | Contact sales | Cost depends on team size, number of monitored locations, and feature usage; for the Weather Intelligence Platform UI rather than raw API. |
- Premium parameters and any real scale are gated behind 'contact sales' with no published paid per-call pricing
- Free tier is restrictive (3 req/s, 5-day forecast, 1 alert, 1 location), limited for anything beyond prototyping
Source: https://support.tomorrow.io/hc/en-us/articles/23554984091156-Tomorrow-io-Pricing-Overview