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
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Electric Power Demand Forecast
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Solar Power Generation
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Wind Power Generation
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Environmental Impact Assessments
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Disaster Mitigation・Crisis Management・Climate Change Measurements
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Transport (Roads, Rails, Air, Oceans)
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Meteorological and Oceanographic Forecasts & Real-Time Data Provisioning
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Manufacturing, Retail, Advertising, and Marketing
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tenki.jp & Media Services
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Web, Apps and Other Services
News
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Press Release
Cherry Blossom and Full Bloom Forecast for 2026 (Part 2)
Two weeks until the cherry blossom arrives, with Uwajima on March 18th, followed by Fukuoka, Nagoya and Gifu on the 20th of March. -
Press Release
JWA 2026 Spring Pollen Dispersion Forecast (Part 2)
~Dispersion to Begin Across a Wide Region by Late February;
Peak Expected in Many Areas from Early March~ -
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.
