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Weather · head to head

Weather.gov vs Weather Underground PWS

Weather.gov logo

Weather.gov

Weather

Official U.S. National Weather Service forecasts

From
Free
Rated
-
Full reviewWebsite
Weather Underground PWS logo

Weather Underground PWS

Weather

World's largest personal weather station network

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Weather.gov no official mobile app, requiring users to access through browser or shortcuts; Weather Underground PWS personal weather station network relies on community contributions
  • They diverge on capability: Weather.gov covers Official forecasts, Weather Underground PWS covers Station network.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Weather.gov and Weather Underground PWS actually diverge.

Attributes where Weather.gov and Weather Underground PWS differ
AttributeWeather.govWeather Underground PWS
PlatformsWebWeb, Mobile
Founded18701995

Identical on both: starting price (Free), pricing model (free), free tier (Yes), 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.gov

  • Official forecasts
  • Severe weather warnings
  • Radar imagery
  • Marine forecasts
  • Aviation weather
  • API access
  • Data feeds
  • Alert systems

Only in Weather Underground PWS

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

Both cover

  • Web support
  • Api support

What people use each for

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

Weather.gov

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

Weather Underground PWS

  • Community-sourced weather station networknot Weather.gov
  • Personal weather monitoring and forecastingnot Weather.gov
  • Historical weather data accessnot Weather.gov
  • Severe weather alerts and notificationsnot Weather.gov

Where each one falls short

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

Weather.gov

  • No official mobile app, requiring users to access through browser or shortcuts
  • No push notifications for weather alerts
  • Outdated user interface compared to commercial alternatives
  • Mobile website has been decommissioned with no dedicated mobile experience

Weather Underground PWS

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

Pricing, plan by plan

Weather.gov

Free
  • FreeFree
    • All forecasts
    • Severe weather alerts
    • Radar data

Weather Underground PWS

Free
  • FreeFree
    • Station registration
    • Data upload
    • Dashboard

Which should you pick?

Choose Weather.gov if

  • You need official forecasts.
  • You want to start without paying.
  • You also want severe weather warnings.
Weather.gov review

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

Questions people ask

Is Weather.gov or Weather Underground PWS better?
Neither clearly leads. Weather.gov starts at Free and Weather Underground PWS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Weather.gov or Weather Underground PWS?
Weather.gov starts at Free and Weather Underground PWS at Free.
Does Weather.gov or Weather Underground PWS run on more platforms?
Weather.gov runs on Web. Weather Underground PWS runs on Web, Mobile.
Can I use Weather.gov for free?
Both have a free tier, so you can try either at no cost before committing.
What is Weather.gov best used for?
Weather.gov is most often used for professional work, content creation. Of those, professional work and content creation are not what Weather Underground PWS is typically brought in for.
What can Weather.gov do that Weather Underground PWS cannot?
Weather.gov covers Official forecasts, Severe weather warnings, Radar imagery, Marine forecasts. Weather Underground PWS covers Station network, Real-time upload, Historical data, Quality control. Both handle Web support, Api support.

Answered from the vendors’ own pages

Weather.gov: Does Weather.gov have a mobile app?

No. The National Weather Service does not provide an official mobile app. Users can access weather.gov through a mobile browser or create a home screen shortcut, but there is no dedicated app for push notifications or offline access.

Source
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
Weather.gov: Is Weather.gov free?

Yes. Weather.gov and its public API at api.weather.gov are completely free to use with no subscription fees. The API only requires a User-Agent header identification and serves weather data at no cost.

Source
Weather.gov: What data formats does Weather.gov API support?

The API supports multiple formats including GeoJSON (default), JSON-LD, DWML, OXML, CAP (Common Alerting Protocol), and ATOM, allowing developers to integrate weather data into various applications.

Source
Weather.gov: Can I get detailed forecast data beyond basic predictions?

Yes. Weather.gov provides gridpoint endpoints with 12-hour and hourly forecast periods, raw forecast data at approximately 2.5km resolution, current observations from weather stations, and detailed alerts with state, county, and zone filtering.

Source
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