Key Facts
• Elderly Day (Sept. 15) saw sweltering heat across Japan, ending a 3-day weekend.
• Maximum temperatures: Tokyo 30.5°C, Nagoya 35.6°C, Kuwana 36.9°C, Toyota 36.2°C.
• Tomorrow (Sept. 16), Nagoya is forecasted to reach 37°C, Osaka 36°C, Tokyo 31°C.
• High-pressure systems will bring mostly sunny weather nationwide tomorrow.
• Rain likely in the Kanto region early morning; unstable weather in eastern and western Japan.
• Autumn rainfront to move southward on Sept. 18, bringing widespread rain.
• Heavy rain expected in the Sea of Japan area, particularly Hokuriku, from early morning.
• Tokyo’s temperatures: 34°C on Sept. 17-18, dropping to 27°C on Sept. 19 and 25°C on Sept. 20.
• Rain expected in Kanto on Sept. 19-20, with cooler mornings and evenings.
• Heatstroke precautions remain critical due to lingering summer heat.
Summary
Japan experienced sweltering heat on Elderly Day, with temperatures exceeding 35°C in many areas, particularly in the Tokai region. Nagoya is forecasted to hit 37°C tomorrow, while other cities like Osaka and Tokyo will also see high temperatures. A high-pressure system will bring mostly sunny weather, but rain is expected in the Kanto region early morning, with unstable conditions in eastern and western Japan later in the day. By Sept. 18, an autumn rainfront will bring widespread rain, particularly heavy in the Sea of Japan area. This rain will usher in cooler autumn air, with Tokyo’s temperatures dropping from 34°C midweek to 27°C by Friday and 25°C by Saturday. Residents are advised to stay cautious of heatstroke and sudden weather changes.
