Happy Weather Forecast Radar is a hyperlocal and accurate weather app that allows users to check weather conditions for their favorite locations as well as multiple locations worldwide. The app provides a range of features including current weather conditions from local weather stations, a 15-day daily forecast with textual summaries for day and night, and hourly forecasts for the next 15 days with detailed weather information at each interval. Additionally, users can access live interactive radar and satellite maps, severe weather alerts notifications, detailed air quality data, world clock showing local time for chosen locations, and the ability to share weather screens with friends.

Detailed weather information available in the app includes current temperature and feels like temperature, today's high and low temperatures, weather description and icon, wind speed, gust, and direction, chance of precipitation, precipitation rate, rain accumulation, snow accumulation, visibility, humidity, barometric pressure, cloud cover, wind chill, heat index, dew point, UV index, sunrise time, and sunset time.