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Hourly Forecast
Daylight Hours
05:33
Sunrise
17:32
Sunset
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Waxing Gibbous
14:44
Moonrise
00:33
Moonset
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View stargazing scoreWeather in Yachiyo today, September 21, 2026
Yachiyo 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. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 08:00. Cloud is also thick early on, peaking near 100% around 08:00.
The day peaks near 24°C and cools toward 21°C. The air stays humid, with relative humidity between 90% and 97% and the peak around 08:00. A lighter breeze peaks around 23:00 near 7.3 km/h.
The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility holds near 3.4 km, though it can fall to 1.4 km. Daylight runs from 05:33 to 17:32, lasting 11 hours 58 minutes of sunlight today.
Taken together, Yachiyo looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 24°C.
Frequently asked questions about weather in Yachiyo
How warm does it get in Yachiyo?
The warmest month in Yachiyo 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 Yachiyo?
The coldest month in Yachiyo is January, with average low temperatures of -1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Yachiyo?
The wettest month in Yachiyo is July, with an average of 170mm of precipitation.
What is the driest time of year in Yachiyo?
The driest month in Yachiyo is December, with an average of 42mm of precipitation.