See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Rain and Humid
Feels Like: 20°
Min: 20°
Max: 24°
The next few hours will be humid and overcast, with tomorrow reaching 25°C and dropping to 17°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:31
Sunrise
17:41
Sunset
Moon
Waxing Crescent
10:30
Moonrise
20:16
Moonset
Daily Forecast
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Thursday
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Monday
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Weather in Kumagaya tomorrow, September 17, 2026
Rain features in Kumagaya on September 17, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 00:00. Cloud is also thick early on, peaking near 98% around 00:00.
Temperatures climb from an overnight low near 19°C toward a daytime high of about 25°C. Relative humidity sits between 60% and 95%, reaching its peak around 06:00. Winds stay light, near 2.5 km/h by 12:00, so the day feels still more than breezy.
Afternoon conditions improve on the morning wet spell, as rain chances fall toward 0% from about 100% earlier. Cloud still reaches roughly 69% near 12:00. Visibility stays near 16.1 km. Daylight runs from 05:32 to 17:40, lasting 12 hours 8 minutes of sunlight today.
In short, treat September 17, 2026 in Kumagaya as a damp day: pack covers, watch the wetter hours, and expect a high near 25°C.
Frequently asked questions about weather in Kumagaya
How warm does it get in Kumagaya?
The warmest month in Kumagaya 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 Kumagaya?
The coldest month in Kumagaya is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Kumagaya?
The wettest month in Kumagaya is July, with an average of 221mm of precipitation.
What is the driest time of year in Kumagaya?
The driest month in Kumagaya is December, with an average of 38mm of precipitation.
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