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Weather · head to head

Weatherstack vs WSI (The Weather Company)

Weatherstack logo

Weatherstack

Weather

Real-time weather API trusted by thousands

From
Free
Rated
-
Full reviewWebsite
WSI (The Weather Company) logo

WSI (The Weather Company)

Weather

Professional weather solutions for business operations

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Weatherstack has a free tier, so it costs nothing to try first.
  • Each has a real cost: Weatherstack the free tier allows 100 API calls a month, which is a demo rather than a usable allowance; WSI (The Weather Company) the Weather Company (which acquired WSI) states on its own site that it no longer owns The Weather Channel TV network, a separate entity from its data/API business (Internet Archive capture, 6 May 2021)
  • They diverge on capability: Weatherstack covers Real-time weather, WSI (The Weather Company) covers Aviation weather.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Weatherstack and WSI (The Weather Company) actually diverge.

Attributes where Weatherstack and WSI (The Weather Company) differ
AttributeWeatherstackWSI (The Weather Company)
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsApiWeb, Api, Enterprise
Founded20161978

Identical on both: user rating (Not yet rated), category (Weather).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Weatherstack

  • Real-time weather
  • Historical data
  • Forecasts
  • Location lookup
  • Bulk queries
  • REST API
  • JSON responses
  • HTTPS

Only in WSI (The Weather Company)

  • Aviation weather
  • Energy forecasting
  • Media solutions
  • Insurance analytics
  • Precision forecasts
  • Enterprise systems
  • Aviation networks
  • Trading platforms

Both cover

  • Api support

What people use each for

The jobs each tool is most often brought in to do.

Weatherstack

  • Current weather lookups by location in an applicationnot WSI (The Weather Company)
  • Historical weather data for analysis on the paid tiersnot WSI (The Weather Company)
  • Short and medium range forecastsnot WSI (The Weather Company)
  • Bulk location queries on the higher plansnot WSI (The Weather Company)

WSI (The Weather Company)

  • Professional Worknot Weatherstack
  • Content Creationnot Weatherstack

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Weatherstack

  • The free tier allows 100 API calls a month, which is a demo rather than a usable allowance
  • Historical weather data starts at the Standard plan, $9.99 a month for 50,000 calls
  • Forecasting is tiered: 7 days from Professional at $49.99 a month and 14 days from Business at $99.99
  • Multi-language responses and bulk queries need Professional or above
  • Going past the monthly quota incurs overage charges rather than throttling

WSI (The Weather Company)

  • The Weather Company (which acquired WSI) states on its own site that it no longer owns The Weather Channel TV network, a separate entity from its data/API business (Internet Archive capture, 6 May 2021)

Pricing, plan by plan

Weatherstack

Free
  • FreeFree
    • 250 calls/month
    • Current weather
    • Basic data
  • Standard$9.99/month
    • 50,000 calls/month
    • Forecasts
    • Historical

WSI (The Weather Company)

On request
  • EnterpriseFree
    • Industry solutions
    • API access
    • Custom analytics

Which should you pick?

Choose Weatherstack if

  • You need real-time weather.
  • You want to start without paying.
  • You work on Api.
  • You also want historical data.
Weatherstack review

Choose WSI (The Weather Company) if

  • You need aviation weather.
  • You work on Web, Api, Enterprise.
  • You also want energy forecasting.
WSI (The Weather Company) review

Questions people ask

Is Weatherstack or WSI (The Weather Company) better?
Neither clearly leads. Weatherstack starts at Free and WSI (The Weather Company) at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Weatherstack or WSI (The Weather Company)?
Weatherstack has a free tier; the other does not. Paid plans start at Free for Weatherstack and On request for WSI (The Weather Company).
Does Weatherstack or WSI (The Weather Company) run on more platforms?
Weatherstack runs on Api. WSI (The Weather Company) runs on Web, Api, Enterprise.
Can I use Weatherstack for free?
Yes. Weatherstack has a free tier, so you can try it without paying. WSI (The Weather Company) starts at On request.
What is Weatherstack best used for?
Weatherstack is most often used for current weather lookups by location in an application, historical weather data for analysis on the paid tiers, short and medium range forecasts, bulk location queries on the higher plans. Of those, current weather lookups by location in an application and historical weather data for analysis on the paid tiers are not what WSI (The Weather Company) is typically brought in for.
What can Weatherstack do that WSI (The Weather Company) cannot?
Weatherstack covers Real-time weather, Historical data, Forecasts, Location lookup. WSI (The Weather Company) covers Aviation weather, Energy forecasting, Media solutions, Insurance analytics. Both handle Api support.

Answered from the vendors’ own pages

Weatherstack: Is there a free plan for Weatherstack?

Yes, Weatherstack has a free plan that includes 100 API calls per month with real-time weather data and HTTPS encryption.

Source
WSI (The Weather Company): What does the Weather Company API free trial include?

The free trial lasts 30 days and includes 50,000 API calls per day at a rate of 100 calls per minute. This is limited to enterprise customers only.

Source
Weatherstack: What is the cheapest paid plan for Weatherstack?

The Standard plan costs $9.99 per month (or $8.99 monthly when billed annually) and includes 50,000 API calls per month.

Source
WSI (The Weather Company): What is the pricing for standard Weather Company API access?

The Standard Plan costs $500 USD per month, billed annually, and includes 1 million API calls per month with access to current conditions, forecasts, lifestyle indices, alerts, and weather imagery.

Source
Weatherstack: Do Weatherstack's paid plans allow overage charges beyond the monthly limit?

Yes, all paid tiers allow overage charges for API calls beyond the monthly allocation.

Source
WSI (The Weather Company): Do airlines get special pricing on Weather Company APIs?

Yes, major airlines are required to enroll in a custom Enterprise plan with pricing determined by agreement rather than the standard pricing tiers.

Source
Weatherstack: How much can I save with annual billing on Weatherstack?

Annual billing offers up to 15% savings compared to monthly payments across all paid tiers.

Source
WSI (The Weather Company): Are extra weather features like historical records available, and how much do they cost?

Extra features including probabilistic forecasts, lightning data, and historical records are available, but require contacting sales for custom pricing. Dedicated account management is also offered as an optional add-on.

Source
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