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Weather Underground PWS vs WSI (The Weather Company)

Weather Underground PWS logo

Weather Underground PWS

Weather

World's largest personal weather station network

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 Weather Underground PWS has a free tier, so it costs nothing to try first.
  • Each has a real cost: Weather Underground PWS personal weather station network relies on community contributions; 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: Weather Underground PWS covers Station network, 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 Weather Underground PWS and WSI (The Weather Company) actually diverge.

Attributes where Weather Underground PWS and WSI (The Weather Company) differ
AttributeWeather Underground PWSWSI (The Weather Company)
Starting priceFreeOn request
Pricing modelfreequote
Free tierYesNo
PlatformsWeb, MobileWeb, Api, Enterprise
Founded19951978

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 Weather Underground PWS

  • Station network
  • Real-time upload
  • Historical data
  • Quality control
  • Community rankings
  • PWS devices
  • Data APIs
  • Weather apps

Only in WSI (The Weather Company)

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

Both cover

  • Web support
  • Api support

What people use each for

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

Weather Underground PWS

  • Community-sourced weather station networknot WSI (The Weather Company)
  • Personal weather monitoring and forecastingnot WSI (The Weather Company)
  • Historical weather data accessnot WSI (The Weather Company)
  • Severe weather alerts and notificationsnot WSI (The Weather Company)

WSI (The Weather Company)

  • Professional Worknot Weather Underground PWS
  • Content Creationnot Weather Underground PWS

Where each one falls short

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

Weather Underground PWS

  • Personal weather station network relies on community contributions
  • Data accuracy varies by station quality

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

Weather Underground PWS

Free
  • FreeFree
    • Station registration
    • Data upload
    • Dashboard

WSI (The Weather Company)

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

Which should you pick?

Choose Weather Underground PWS if

  • You need station network.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want real-time upload.
Weather Underground PWS 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 Weather Underground PWS or WSI (The Weather Company) better?
Neither clearly leads. Weather Underground PWS 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, Weather Underground PWS or WSI (The Weather Company)?
Weather Underground PWS has a free tier; the other does not. Paid plans start at Free for Weather Underground PWS and On request for WSI (The Weather Company).
Does Weather Underground PWS or WSI (The Weather Company) run on more platforms?
Weather Underground PWS runs on Web, Mobile. WSI (The Weather Company) runs on Web, Api, Enterprise.
Can I use Weather Underground PWS for free?
Yes. Weather Underground PWS has a free tier, so you can try it without paying. WSI (The Weather Company) starts at On request.
What is Weather Underground PWS best used for?
Weather Underground PWS is most often used for community-sourced weather station network, personal weather monitoring and forecasting, historical weather data access, severe weather alerts and notifications. Of those, community-sourced weather station network and personal weather monitoring and forecasting are not what WSI (The Weather Company) is typically brought in for.
What can Weather Underground PWS do that WSI (The Weather Company) cannot?
Weather Underground PWS covers Station network, Real-time upload, Historical data, Quality control. WSI (The Weather Company) covers Aviation weather, Energy forecasting, Media solutions, Insurance analytics. Both handle Web support, Api support.

Answered from the vendors’ own pages

Weather Underground PWS: Is there a cost to join the Weather Underground Personal Weather Station network?

No cost is disclosed for joining the Weather Underground PWS network. The site encourages users to join and contribute weather data.

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
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
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
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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