See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Rain and Humid
Feels Like: 22°
Min: 23°
Max: 26°
The next few hours will be rain and humid, with today reaching 26°C and dropping to 24°C. The coming days will be light rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:35
Sunrise
17:34
Sunset
Moon
Waxing Gibbous
14:47
Moonrise
00:34
Moonset
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View stargazing scoreWeather in Kiryū today, September 21, 2026
Expect unsettled, showery conditions in Kiryū on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Wetter spells lean into the morning, when rain odds reach about 100% near 02:00. Skies look heaviest around 02:00, with cover close to 100%.
The temperature range runs from about 23°C up to 26°C. Expect humidity between 94% and 98%, most humid near 02:00. Airflow remains manageable, reaching about 4.4 km/h around 23:00.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 12:00. Cloud also stays substantial, close to 100% near 12:00. Expect visibility near 5.3 km, with poorer spells close to 0.3 km. Daylight runs from 05:35 to 17:34, lasting 11 hours 58 minutes of sunlight today.
Taken together, Kiryū looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 26°C.
Frequently asked questions about weather in Kiryū
How warm does it get in Kiryū?
The warmest month in Kiryū is August, with average high temperatures of 29°C. The average temperature during this period is around 25°C.
How cold does it get in Kiryū?
The coldest month in Kiryū is January, with average low temperatures of -2°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Kiryū?
The wettest month in Kiryū is July, with an average of 217mm of precipitation.
What is the driest time of year in Kiryū?
The driest month in Kiryū is December, with an average of 37mm of precipitation.
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