Tenki.jp is a popular weather forecast app developed by the Japan Meteorological Association. It offers -hour analysis and predictions by meteorologists from all over the country, ensuring accurate and up-to-date weather information. The app is free to use and provides a wide range of features, including detailed forecasts, convenient information for daily life, and a rain cloud radar that allows users to predict the movement of rain clouds up to hours in advance. Users can also customize their experience by selecting their preferred lifestyle information and receive comprehensive disaster prevention alerts. One of the standout features of tenki.jp is its rain cloud radar, which is considered the best among domestic free weather forecast apps. This radar allows users to prepare for rainy seasons, changes in atmospheric pressure, and typhoons by predicting the movement of rain clouds up to hours in advance. The app also offers customization options, such as the ability to hide ads for a monthly fee. Tenki.jp offers recommended features, including hourly weather forecasts, a -day weather forecast, current temperature, humidity, wind direction and speed, and rainfall information. The app also provides a free rain cloud radar that can be viewed for up to hours, as well as daily explanations by meteorologists, notification functions for approaching weather and rain clouds, and a widget function for checking forecasts without opening the app. It also includes comprehensive disaster prevention alerts, such as warnings, earthquake, typhoon, and tsunami information. Users can customize their experience by selecting their preferred lifestyle information, such as UV index, clothing recommendations, and starry sky index. The app also offers a variety of articles related to weather and seasons, including daily forecasts by meteorologists, tenki.jp supplements, and weather summaries.