Weather Underground vs AirBilly

Discover a reliable, real-time and hyper-local forecast that will always warn you about upcoming severe weather. Weather Underground combines data from over 250,000+ personal weather stations and a proprietary forecast model to give you the most accurate and hyperlocal forecasts, at a microclimate level. Discover about current conditions, interactive Nexrad radar, get customizable severe weather alerts and much more. You’ll always be prepared for whatever the weather brings. 5 REASONS TO DOWNLOAD WEATHER UNDERGROUND • Severe weather alerts: set weather alerts for your exact position, so you can always be prepared for an upcoming storm! • Local conditions: get current weather conditions from local weather stations and hourly/daily summary forecasts up to 10 days in the future, which include chance of precipitation and daily weather summaries. • Most detailed weather data: stay updated with the best weather data including temperature, “Feels Like,” wind speed, wind directions, today’s rain accumulation, humidity, dew point, visibility, and pressure. • Other geographical data: discover our air quality index, UV index, local flu outbreaks, sunrise & sunset and moonrise & moonset. • Customized experience: set your app with light & dark modes, various map types and units. DISCOVER THE UNIQUE FEATURES OF WEATHER UNDERGROUND • Interactive radar maps & severe weather: • The most interactive weather map on mobile allows you to select from different weather overlays, personal weather stations, nexrad radar, satellite, heat maps, and rain accumulation. • Sophisticated weather visualizations with hi-res satellite & cloud cover imagery from GOES-16, powered by data from NOAA. • Keep an eye out for extreme weather and always be prepared with severe weather alerts. Accurate hyper-local forecasts: • Over 250,000 personal weather stations report the most accurate local weather conditions. • Made to fill in the gaps between the airport weather stations that other weather services rely upon to generate forecasts - meaning our data is generated from actual data points in your neighborhood. Subscribe to Premium! • Upgrade and remove all ads from your weather app by purchasing an annual subscription. • Access Smart Forecasts: set your ideal weather conditions for your outdoor activities and we’ll tell you when to go. • View Extended Hourly Forecasts up to 15 days in the future. You can cancel your Weather Underground subscription anytime through your iTunes account settings, or it will automatically renew. This must be done 24 hours before the end of any subscription period to avoid being charged another fee. Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. For more information, please see our Privacy Policy and Terms of Use. ----- Privacy & Feedback • Our Privacy Policy can be viewed here: https://www.wunderground.com/company/privacy-policy • Our Terms of Use can be viewed here: https://www.wunderground.com/company/legal
 • If you have any questions or suggestions about our weather service, please do not hesitate to get in touch at support@wunderground.com.

Displays adjusted air calculation results from functions of the user entered weather conditions. This adjusted air value is intended to be used to make engine tuning decisions for race applications.