Weather Underground

Active

Country: United States (US)
Founded: 1995
Developer: Weather Underground (owned by The Weather Company, an IBM subsidiary)
Pricing: Freemium
Open source: No
Platforms: Web, iOS, Android

Indexes

Weather

Overview

Weather Underground offers hyper-local weather forecasts, current conditions, and interactive maps using data from over 250,000 personal weather stations worldwide combined with a proprietary forecast model.¹²³ It provides radar imagery, satellite views, severe weather alerts, and supports personal weather station installations for community-contributed data.¹⁵ Targeted at users seeking precise microclimate information, it stands out through its extensive network of personal stations for localized accuracy.²³

Key Features

Hyper-local Forecasts - Forecasts at microclimate level using data from 250,000+ personal weather stations and proprietary model.
Interactive Maps - Radar, high-resolution satellite imagery, severe weather alerts, with light/dark modes and customizable styles.
Personal Weather Stations - Network of user-installed stations contributing real-time data worldwide.
NEXRAD Radar - Interactive Doppler radar and hurricane/storm tracking from NOAA sources.
Customizable Alerts - Severe weather notifications tailored to user preferences.
Current Conditions - Precise local conditions from nearest personal weather stations.
Installation Guides - Detailed siting and setup instructions for personal weather stations.

Pricing

Plan	Price	Includes
Free	Free	Basic forecasts, maps, radar, alerts, and personal station data access.
Premium (Ad-Free)	Subscription (details on site)	Ad-free experience, advanced features (inferred from freemium model).

Platforms & Requirements

Accessible via web browser on any device without specific requirements.¹⁸ iOS app features interactive maps, overlays, and hyper-local forecasts.³ Android app provides precise forecasts, radar, and alerts from personal stations.²

Integrations & Ecosystem

Personal Weather Stations (PWS)
NOAA weather alerts
NEXRAD/Doppler radar
Satellite imagery
Weather.com login sync (US users)
Global PWS network data sharing

Alternatives

App	Difference
AccuWeather	Focuses on minute-by-minute precipitation forecasts rather than personal station networks.
The Weather Channel	Emphasizes video content and broader national forecasts over hyper-local PWS data.
Windy	Specializes in wind patterns and advanced modeling visualizations.
Dark Sky (acquired by Apple)	Known for hyper-precise precipitation now integrated into Apple Weather.

Reputation

Weather Underground is recognized for its accuracy from a vast personal weather station network, providing hyper-local data superior to traditional sources.¹²³ Users appreciate interactive maps and customizable alerts, though some note ads in the free version and occasional data inaccuracies from poorly sited stations.⁵ It maintains a strong reputation since 1995 for community-driven weather contributions.

Sources (8)