PlainSky

PlainSky is a completely free weather app. Every feature is free, with no ads, no subscriptions, no in-app purchases, and no account required. Get a clear view of the weather with real data from the National Weather Service, NOAA, and Apple Weather. PlainSky is built for weather in the United States and supported U.S. territories; available products vary by location. EVERYTHING IS FREE Check current conditions, browse hourly and daily forecasts, follow radar, save places, use the home screen widget, and choose the notifications you want. There are no premium tiers or locked features. REAL WEATHER SOURCES The National Weather Service supplies forecasts, observations, and official alerts. NOAA supplies radar, with NOAA HRRR forecast radar provided through the Iowa Environmental Mesonet. Apple Weather adds next-hour precipitation, UV, sunrise and sunset information, and current conditions when needed. Supplemental products and forecast radar are available where supported. WEATHER AT A GLANCE See temperature, feels-like, precipitation chances, wind, humidity, and more. Switch between U.S. and metric units, check saved places, and keep current conditions close with a home screen widget. OPTIONAL NOTIFICATIONS Choose NWS warnings, watches, advisories, and statements for your alert place. Enable precipitation-start notices where Apple next-hour data is available. Notification delivery depends on network and iOS background availability. Always follow official guidance from local authorities. OPEN SOURCE ON GITHUB PlainSky is open source under the MIT License. Explore the code, report issues, and contribute at https://github.com/ColumbusLabs/PlainSky. PlainSky requires iOS 17 or later and an internet connection for fresh weather data.