Key Facts
• October 27–28: Cold air mass may bring snow to Hokkaido plains.
• Strong winds expected from Tohoku to Kyushu; possible “First Winter Wind” in Tokyo and Kinki.
• October 29: Rain and snow in Japan Sea areas to subside; clear skies likely.
• October 30: Nationwide sunny weather due to high-pressure system.
• October 31: Low-pressure system to bring rain to eastern and western Japan.
• November 1–2: Rain and snow expected in northern and eastern Japan due to cold air.
• October 27: Highs above 20°C in Tokyo, Nagoya, and Osaka; Sapporo at 6–9°C.
• October 30 onward: Sapporo around 15°C; other regions 20°C; Fukuoka may reach summer-like temperatures.
• November 3–8: Widespread sunny weather; ideal for autumn outings and foliage viewing.
• Temperature fluctuations require careful clothing adjustments and health precautions.
Summary
Hokkaido may see snow in plains on October 27–28 due to a strong cold air mass. Tokyo and Kinki regions could experience the “First Winter Wind.” Rain and snow in Japan Sea areas will ease by October 29, with nationwide sunny weather expected on October 30. A low-pressure system on October 31 may bring rain to eastern and western Japan, followed by colder conditions and precipitation in northern and eastern regions on November 1–2. Temperatures will fluctuate significantly, with highs above 20°C in many areas on October 27, dropping in subsequent days. From November 3–8, sunny weather will dominate, offering ideal conditions for autumn outings and foliage viewing. Residents are advised to prepare for temperature changes and dress accordingly.
