Weather Undergroundvs
AccuWeather


AccuWeather: Established weather API with free tier offering 500 API calls per day, paid plans starting at $2/month, and global current conditions, forecasts, and historical data.

Crowdsourced hyperlocal weather from personal stations
As of 30 August 2026, Weather Underground is free to use. Weather Underground leverages the world's largest network of personal weather stations to provide hyperlocal weather data. Softwr lists it under Weather. Weather Underground is made by The Weather Company (IBM), launched in 1995, available on Web.
Overview
Weather Underground leverages the world's largest network of personal weather stations to provide hyperlocal weather data. With over 250,000 stations globally, it offers neighborhood-level accuracy and rich historical weather data for enthusiasts and researchers.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Weather Underground.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


AccuWeather: Established weather API with free tier offering 500 API calls per day, paid plans starting at $2/month, and global current conditions, forecasts, and historical data.


Aeris Weather: Comprehensive weather API with advanced geospatial querying, free developer tier, and supports multiple formats including GeoJSON and JSON-LD.


Baron Weather: Specialized weather API offering 3000+ weather parameters and 200+ products including current, forecast, and historical data with aviation weather focus.


IQAir: Real-time air quality data API with hyperlocal environmental monitoring capabilities and accessible pricing for developers.
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
Ad-Free
$1.99 /mo
Capabilities
Personal weather stations
Hyperlocal data
Historical records
Webcams
Community forums
PWS networks
Integration with PWS networks
Smart home
Integration with Smart home
APIs
Integration with APIs
Web support
Available on web
Ios support
Available on ios
Android support
Available on android
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
The free public API was discontinued on December 31, 2018, after IBM acquired The Weather Company. The service is now in a wind-down phase with no new developer accounts accepted.
SourceFree API keys are still available for Personal Weather Station (PWS) owners who upload data to the network. General developers need to migrate to alternative weather API providers.
SourceThe Cumulus Drizzle plan cost $150/month, which many developers found prohibitively expensive for weather data compared to modern alternatives.
SourceYes. The consumer website continues to provide weather forecasts, news, alerts, and access to personal weather station data through the PWS network.
SourceBehind it
Keep looking
Superior accuracy with proprietary RealFeel technology
Critical weather technology for media and government
Hyperlocal precipitation forecasts built into iOS
Free browser-based satellite weather and storm tracking, no account or install
Softwr does not host reviews and shows no star rating for Weather Underground, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
What people switch to, and what they give up
Every tier, and where the cost actually lands
Put it head to head with anything we hold
Its rating, and an embed for your own site
Free browser-based satellite weather and storm tracking, no account or install
Free, no account requiredSuperior accuracy with proprietary RealFeel technology