WeatherAPI.com vs Tomorrow.io

Tomorrow.io offers a free API plan for non-commercial use and paid API plans quoted by its sales team, alongside a wider weather intelligence platform. WeatherAPI.com publishes every plan's price, from $7 a month, and allows commercial use on the Free plan.

Tomorrow.io's details checked on 4 November 2026 from their own website (sources at the end of this page). Prices are in US dollars unless stated.

Feature and price comparison

Feature	WeatherAPI.com	Tomorrow.io
Free plan	100,000 calls a month, 3-day forecast, no card needed	500 calls a day (25 an hour), 5-day forecast; non-commercial use only
Paid plans from	$7 a month for 3 million calls (Starter); $25 for 5 million (Pro+); $65 for 10 million (Business); High Volume up to 500 million	Not published: paid API plans are quoted by sales
Forecast length	Up to 14 days hourly; long-range outlook up to 300 days (Pro+ and above)	5 days on Free; 14 days on paid plans
Next-hour rain, minute by minute	Starter and above: radar-based in the US and much of Europe, model-based elsewhere	1-minute steps for the next 6 hours
Radar map tiles	Pro+ and above: US and much of Europe, past 2 hours and 1-hour nowcast	Weather map tiles, past 7 days to 14 days ahead (radar not named); tile requests count as calls
Historical weather	Back to 1 January 2010 on Business; past 365 days on Pro+	24 hours on Free, 7 days on paid plans; archive from 2000 on request, priced separately
Air quality	Current and forecast on every plan (limited on Free)	Paid plans only
Pollen	Starter and above	Tree, grass and weed indices, paid plans only
Marine weather and tides	Every plan; tides on Pro+ and above	Waves and swell on paid plans; no tides
Government weather alerts	Every plan (limited on Free)	Your own threshold alerts (1 on Free); government alerts not listed
Agriculture (soil, evapotranspiration)	Agriculture API with soil, evapotranspiration, growing degree days and spray windows (Business)	Soil moisture and temperature at several depths (paid); evapotranspiration not listed
Solar irradiance and PV	Irradiance on Starter and above; PV power forecast on Business	Irradiance fields (global, direct, diffuse)
Climate normals and degree days	Climate averages, records and degree days (Business)	Not listed
Many locations in one request	Up to 50 locations per request (Pro+ and above)	Not listed (a Weather on Routes API is offered)
Webhooks	Pro+ and above	Described for event updates; marked "soon" in their API documentation
Commercial use on the free plan	Allowed	Not allowed on self-serve accounts
When you reach your plan's limit	Calls stop at the limit unless you top up; automatic top-ups on paid plans	Requests refused (HTTP 429) until the limit resets
Uptime commitment	99% on Starter and Pro+, 99.9% on Business; SLA on Enterprise	99.9% stated; custom SLAs on Enterprise

Choose Tomorrow.io if…

You want a full weather intelligence platform with monitoring, dashboards and operational alerts, and a sales-led contract.
You need weather along routes or minute-level forecasts up to 6 hours ahead.
You need soil moisture and temperature at several depths.

Choose WeatherAPI.com if…

You want to see prices up front and start on a paid plan yourself: plans are $7, $25 and $65 a month, with High Volume up to 500 million calls.
You're building a commercial product on a free plan: commercial use is allowed with 100,000 calls a month.
You need history in the plan: the past 365 days on Pro+, and back to 1 January 2010 on Business.
You need government weather alerts, tides, climate averages or degree days.
You want air quality and pollen without an enterprise contract.

Questions

Is WeatherAPI.com a good Tomorrow.io alternative?

Yes, if you want published self-serve prices and commercial use on the free plan. WeatherAPI.com plans start at $7 a month, history back to 2010 is on Business, and the Free plan gives 100,000 calls a month. Tomorrow.io suits teams that want a sales-led weather intelligence platform.