See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Partly Cloudy
Feels Like: 21°
Min: 20°
Max: 25°
The next few hours will be possible drizzle and breezy, with today reaching 25°C and dropping to 20°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
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06:06
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18:05
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Waxing Gibbous
15:13
Moonrise
01:13
Moonset
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View stargazing scoreWeather in Yamaguchi today, September 21, 2026
Yamaguchi starts September 21, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Expect a brighter morning, with limited cloud around 54% by 04:00. Conditions start on a settled note.
The temperature range runs from about 20°C up to 25°C. Relative humidity sits between 57% and 92%, reaching its peak around 04:00. Winds stay light, near 7.9 km/h by 15:00, so the day feels still more than breezy.
Through the afternoon skies look more workable, with cloud near 36% around 12:00. Later outdoor plans have a clearer window than the morning may have suggested. Horizontal visibility holds close to 16.1 km. Daylight runs from 06:06 to 18:05, lasting 11 hours 58 minutes of sunlight today.
In short, treat September 21, 2026 in Yamaguchi as a damp day: pack covers, watch the wetter hours, and expect a high near 25°C.
Frequently asked questions about weather in Yamaguchi
How warm does it get in Yamaguchi?
The warmest month in Yamaguchi is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Yamaguchi?
The coldest month in Yamaguchi is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Yamaguchi?
The wettest month in Yamaguchi is July, with an average of 272mm of precipitation.
What is the driest time of year in Yamaguchi?
The driest month in Yamaguchi is December, with an average of 64mm of precipitation.
