About JWA
For a Society in Harmony with Nature
Since its establishment in 1950, Japan Weather Association has been a pioneer in weather consulting services in Japan. By leveraging AI, IoT, and meteorological big data, we have advanced the accuracy of weather investigation, analysis, and forecasting, while supporting initiatives that help build a sustainable world, such as adaptation to climate change.
With weather technology, Japan Weather Association is committed to supporting the future and creating a “society in harmony with nature.”
Services & Solutions
-
Electric Power Demand Forecast
-
Solar Power Generation
-
Wind Power Generation
-
Environmental Impact Assessments
-
Disaster Mitigation・Crisis Management・Climate Change Measurements
-
Transport (Roads, Rails, Air, Oceans)
-
Meteorological and Oceanographic Forecasts & Real-Time Data Provisioning
-
Manufacturing, Retail, Advertising, and Marketing
-
tenki.jp & Media Services
-
Web, Apps and Other Services
News
-
Press Release
Cherry Blossom and Full Bloom Forecast for 2026 (Part 1)
This year’s cherry blossoms are expected to bloom on average or earlier than average, with the earliest bloom forecast to begin in Fukuoka and Tokyo on March 21st. -
Japan Weather Association Launches “Supply–Demand Adjustment Market Price Forecast”, a New Price Forecasting Service for the Supply–Demand Adjustment Market
~Supporting electricity trading strategies and profit maximization with 30-minute interval price forecasts~ -
Press Release
JWA 2026 Spring Pollen Dispersion Forecast (Part 1)
~Spring pollen season is about to begin
Take extra caution on warm days; peak dispersion expected from late February~
