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Weather · head to head

RainViewer vs Weather.gov

RainViewer logo

RainViewer

Weather

Global rain radar with accurate precipitation forecasts

From
Free
Rated
-
Full reviewWebsite
Weather.gov logo

Weather.gov

Weather

Official U.S. National Weather Service forecasts

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: RainViewer limited to precipitation forecasting without comprehensive weather data like temperature or wind; Weather.gov no official mobile app, requiring users to access through browser or shortcuts
  • They diverge on capability: RainViewer covers Global rain radar, Weather.gov covers Official forecasts.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which RainViewer and Weather.gov actually diverge.

Attributes where RainViewer and Weather.gov differ
AttributeRainViewerWeather.gov
Pricing modelfreemiumfree
PlatformsWeb, iOS, AndroidWeb
Founded20151870

Identical on both: starting price (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 RainViewer

  • Global rain radar
  • Smooth animations
  • 2-hour forecasts
  • Lightning data
  • Satellite imagery
  • Widgets
  • Notifications
  • Ios support

Only in Weather.gov

  • Official forecasts
  • Severe weather warnings
  • Radar imagery
  • Marine forecasts
  • Aviation weather
  • Data feeds
  • Alert systems
  • Api support

Both cover

  • API access
  • Web support

What people use each for

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

RainViewer

  • Professional Work
  • Content Creation

Weather.gov

  • Professional Work
  • Content Creation

Both are used for professional work, content creation, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

RainViewer

  • Limited to precipitation forecasting without comprehensive weather data like temperature or wind
  • Forecast window limited to 2 hours, not suitable for extended weather planning
  • Smaller global weather station network compared to national meteorological services
  • Limited historical weather data compared to competing weather platforms

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

Pricing, plan by plan

RainViewer

Free
  • FreeFree
    • Global radar
    • Animations
    • Forecasts
  • Premium$2.99/month
    • No ads
    • API access
    • Extended history

Weather.gov

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

Which should you pick?

Choose RainViewer if

  • You need global rain radar.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want smooth animations.
RainViewer review

Choose Weather.gov if

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

Questions people ask

Is RainViewer or Weather.gov better?
Neither clearly leads. RainViewer starts at Free and Weather.gov at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RainViewer or Weather.gov?
RainViewer starts at Free and Weather.gov at Free.
Does RainViewer or Weather.gov run on more platforms?
RainViewer runs on Web, iOS, Android. Weather.gov runs on Web.
Can I use RainViewer for free?
Both have a free tier, so you can try either at no cost before committing.
What is RainViewer best used for?
RainViewer is most often used for professional work, content creation.
What can RainViewer do that Weather.gov cannot?
RainViewer covers Global rain radar, Smooth animations, 2-hour forecasts, Lightning data. Weather.gov covers Official forecasts, Severe weather warnings, Radar imagery, Marine forecasts. Both handle API access, Web support.

Answered from the vendors’ own pages

RainViewer: What weather data does RainViewer use?

RainViewer processes radar data from over 1,000 radar stations worldwide to provide precipitation forecasts with sub-kilometer accuracy updated every 5 minutes.

Source
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
RainViewer: How far ahead can RainViewer forecast rain?

RainViewer provides 2-hour precipitation forecasts updated frequently throughout the day with hyperlocal predictions.

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
RainViewer: Is RainViewer available on all platforms?

RainViewer offers both a mobile app and web platform for accessing precipitation forecasts and radar data.

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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