Weather Underground

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By Maya Singh, Managing EditorReviewed by Priya SharmaForecast data: Open-Meteo & Environment and Climate Change Canada

Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.

☀️32°C

Clear skyUnderground Atlanta Historic DistrictFeels like 32° · Wind 15 km/h · Humidity 39%

UV 8 Very HighSunrise 07:05Sunset 20:14

Today☁️33°23°💧1%

Mon☁️34°21°💧1%

Tue☁️35°22°💧1%

Wed🌦️35°24°💧29%

Thu🌦️32°23°💧55%

Fri☁️33°24°💧42%

Sat☁️36°25°💧25%

Live data from Open-Meteo · updates automatically ·

For Atlanta’s Underground Historic District, the live forecast above shows current conditions. Weather Underground is a hyperlocal weather service that combines data from thousands of personal weather stations with official networks, giving block-by-block forecasts, radar, and severe weather alerts for any location.

How does Weather Underground gather its data?

It pulls from the National Weather Service, Environment Canada, and more than 250,000 wunderground weather stations run by members worldwide. This network fills gaps between official observation sites, providing real‑time readings that often differ from broader forecasts. Whether you rely on the Canada weather hub or a specific station, the data is updated every few seconds.

What features does the Weather Underground app offer?

The mobile app includes interactive radar, hourly and 10‑day forecasts, push notifications for wunderground severe weather, and access to weather underground members’ station data. You can also view weather underground api documentation to build custom tools. Weather or not you’re planning outdoor activities, the app helps you prepare. After a wunderground login, members can manage their station and see historical trends.

Founded1995

NetworkOver 250,000 personal stations

AcquisitionAcquired by IBM in 2015

APIFree public API with api key weather underground

Is Weather Underground free to use?

Yes, the website and mobile app are free. Some advanced features, such as an ad‑free experience or historical data downloads, may require a subscription. The basic forecast and station data remain accessible to all.

How do I become a weather underground member?

Sign up for a free account on wunderground.com. Once registered, you can add your own weather station or contribute observations manually. Members also get a personal dashboard with station analytics.

Do I need an api key weather underground to access data?

Yes, for programmatic access you need a free API key. It allows you to pull current conditions, forecasts, and historical data for your projects. The documentation explains rate limits and available endpoints.