See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Humid and Partly Cloudy
Feels Like: 22°
Min: 22°
Max: 28°
The next few hours will be possible drizzle and humid, with today reaching 28°C and dropping to 21°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:06
Sunrise
18:16
Sunset
Moon
Waxing Crescent
10:57
Moonrise
21:01
Moonset
Daily Forecast
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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Friday
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Weather in Kumamoto today, September 16, 2026
Kumamoto looks damp on September 16, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Morning plans should assume damp conditions, as rain chances climb toward 68% around 10:00. Cloud cover is also at its densest near 03:00 at roughly 62%.
The day peaks near 28°C and cools toward 22°C. Relative humidity sits between 75% and 98%, reaching its peak around 05:00. Airflow remains manageable, reaching about 1.3 km/h around 12:00.
Afternoon showers stay in play, peaking near 92% around 13:00. Skies remain cluttered, with cover about 53% by 12:00. Expect visibility near 16.1 km, with poorer spells close to 15.8 km. Expect sunrise at 06:06, sunset at 18:16, and 12 hours 9 minutes of sunlight today overall.
Overall, Kumamoto on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 92% and the high sits around 28°C.
Frequently asked questions about weather in Kumamoto
How warm does it get in Kumamoto?
The warmest month in Kumamoto is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Kumamoto?
The coldest month in Kumamoto is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Kumamoto?
The wettest month in Kumamoto is June, with an average of 372mm of precipitation.
What is the driest time of year in Kumamoto?
The driest month in Kumamoto is December, with an average of 74mm of precipitation.
