tenki.jp 天気予報・雨雲レーダー/地震速報

tenki.jp 天気予報・雨雲レーダー/地震速報

日本気象協会

Available on Google Play
3.3(117,770)
5,000,000+ installsFreeWeather

Updated Jul 28, 2026 · v3.0.2

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Official weather app from the Japan Weather Association. Check earthquake and disaster prevention alerts in real time. Also check typhoon information, changes in atmospheric pressure and low pressure, pollen information, heatstroke, snow accumulation, laundry, and drying indexes.

tenki.jp (tenki jp) is the official weather and disaster prevention app provided by the Japan Meteorological Association (JWA). It allows you to manage weather for multiple locations without account registration, and provides improved disaster prevention information, real-time rain cloud radar, earthquake alerts, typhoon information, and lightning radar. It also delivers seasonal health information such as pollen, atmospheric pressure, and heatstroke prevention. ■ Main Features 【Real-time Weather Forecast & Rain Cloud Radar】 - Hourly weather forecasts for each city and town (searchable by facility name) - 10-day weather forecast (longer than weekly forecasts): Check weather, precipitation probability, and temperature in 6-hour increments - Check rain cloud radar up to 48 hours in advance. Prepare in time for sudden rain and torrential downpours. * Lightning radar detects sudden lightning strikes and thunderstorms in advance. * Check temperature, precipitation, wind direction, and wind speed at your current location in real time using AMeDAS (Automated Meteorological Data Acquisition System). * Check useful lifestyle indices with a single tap from icons; up to 5 indices can be customized. * [Year-round] Laundry, going out, starry sky, umbrella, UV rays, perceived temperature, car washing, sleep * [Summer] Sweating, air conditioning, mosquito care, etc. * [Winter] Water pipe freezing, moisture, etc. * Weather list: You can view a list of registered locations. You can customize the information you want to see (hourly, weekly forecast, etc.). [Earthquake, typhoon, and disaster prevention information] * Instant push notifications for earthquake alerts, tsunami information, and warnings/advisories. * Check the latest 20 earthquake information nationwide. Understand seismic intensity information in real time. * Typhoon path information is updated in real time. Typhoon forecasts and paths are updated regularly. - Disaster preparedness check to protect your life: Check the level of disaster risk in advance using the hazard map of your surrounding area. - View weather, rain clouds, and disaster information for your area on the disaster prevention screen. [Seasonal health information] - Pollen information (cedar and cypress): Check today's pollen information, weekly pollen information, and a pollen dispersal forecast map. - Barometric pressure information: Check the barometric pressure for those concerned about changes in their physical condition due to low pressure. - Heatstroke information: Check the heatstroke warning level for each region. - Clothing index, dryness, laundry, UV rays, yellow dust, PM2.5 Customizable lifestyle indices such as: * Seasonal information: Cherry blossom blooming information, start of rainy season, end of rainy season, typhoon information, best time to see autumn leaves, ski snow depth information [Notification and Widget Functions] * Push notification if tomorrow's temperature changes by 5°C or more from today's temperature * Weather forecast notification for your desired location at specified time (morning, noon, evening, night) * Widget function that allows you to check on the home screen without launching the app [Articles and Weather Maps] * Duty Forecaster: Weather forecasters from the Japan Meteorological Association provide information on weather, disaster prevention, pollen, UV rays, etc. Seasonal topics explained multiple times daily * tenki.jp Supplement: Columns on weather, lifestyle, and seasons * Weather Overview: Displays the Japan Meteorological Agency's overview for your selected location * Weather Maps & Weather Satellite: View current weather maps, 24/48/72-hour forecast weather maps, and images overlaid with weather satellite and rain radar data 【Leisure Weather】 * Easy-to-understand weather information for popular leisure spots, including mountain and sea weather * Abundant information such as world weather forecasts, current weather, index information, and leisure weather can also be viewed from the menu ========================== 10 Recommended Features of tenki.jp ========================== 1: Hourly weather forecasts for each city and town (searchable by facility name) 2: '10-day weather forecast' which is longer than the weekly forecast 3: Current temperature, humidity/dryness, wind direction/speed, precipitation, atmospheric pressure, UV index, and pollen information 4: Rain cloud radar can be viewed up to 48 hours in advance 5: Commentary by weather forecasters is updated multiple times daily! 6: Weather and rain cloud approach notification function 7: Forecast widget function (check without launching the app!) 8: Comprehensive disaster prevention/disaster information and emergency alerts, including warnings, advisories, earthquake alerts, and tsunami information 9: Customize lifestyle information such as laundry and stargazing indices to your liking 10: Ad-free option available for ¥260/month ■ Recommended for: ・Those who want to quickly check daily weather forecasts ・Those who want to stay informed about disaster prevention information such as earthquakes and typhoons ・Those who want to prepare for sudden weather changes with torrential downpour and lightning radar ・Those who are concerned about changes in physical condition due to weather, such as hay fever and headaches caused by low pressure ・Those who want to streamline their morning preparations with clothing index and lifestyle index ・Those who want to check accurate weather data from the Japan Meteorological Association (JWA) with the tenki jp app ・Those who want to check the weather for outdoor leisure activities such as mountain climbing and swimming ■ Benefits you can gain: ・Real-time tracking of rain clouds, torrential downpours, and lightning radar → Prevent forgetting your umbrella and sudden bad weather - Receive earthquake warnings and seismic intensity information quickly → Start disaster preparedness actions without hesitation - Anticipate your physical condition with pollen and atmospheric pressure information → Take measures the day before even if you feel unwell - Make your morning preparations smoother with clothing index, dryness index, and laundry index - Centralized management of disaster information around your home with disaster prevention functions ■ What is tenki.jp? The official weather forecast app of the Japan Meteorological Association (JWA). Weather forecasters nationwide analyze the weather 24 hours a day to deliver the latest weather information at all times. From weather forecasts, rain cloud radar, earthquake warnings, typhoon information, sudden downpours, lightning radar, clothing index, to disaster prevention warnings, it is a weather data platform that supports your life and disaster preparedness. Reliable weather information anytime, anywhere with tenki.jp. *A domestic weather forecast app refers to a weather forecast app where the provider is a licensed weather forecasting business based in Japan. According to Tokyo Shoko Research (January 2023) [Related App] tenki.jp Mountain Weather [Subscription Service] Ad-free mode is available for ¥260 per month. [Privacy Policy] https://static.tenki.jp/inapp/app/iphone/privacy.html [Terms of Service] https://static.tenki.jp/inapp/app/iphone/rule.html * "tenki.jp" is pronounced "tenki jp". * The screen may not display correctly on devices with a resolution below a certain level. Please be aware of this.

Version
3.0.2
Updated
Jul 28, 2026
Content Rating
Everyone
Installs
5,000,000+
Developer
日本気象協会
Website
https://tenki.jp/
Email
tenkijp@jwa.or.jp
In-app purchases
No

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Rating breakdown

5
58,885
4
11,777
3
0
2
0
1
47,108