See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Overcast
Feels Like: 24°
Min: 23°
Max: 33°
The next few hours will be overcast, with today reaching 33°C and dropping to 23°C. The coming days will be rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:46
Sunrise
17:45
Sunset
Moon
Waxing Gibbous
14:55
Moonrise
00:48
Moonset
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View stargazing scoreWeather in Mizuho today, September 21, 2026
Expect unsettled, showery conditions in Mizuho 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 54% near 04:00. Skies look heaviest around 04:00, with cover close to 99%.
The temperature range runs from about 23°C up to 33°C. Moisture in the air spans 55%-91%, with the highest values around 04:00. Airflow remains manageable, reaching about 4.4 km/h around 15:00.
Later hours look less wet than the morning, when rain odds were closer to 54%; afternoon chances sit nearer 0%. Residual cloud near 100% around 12:00 may linger. Expect visibility around 16.1 km. The sun rises at 05:46 and sets at 17:45, for a total of 11 hours 58 minutes of sunlight today.
In short, treat September 21, 2026 in Mizuho as a damp day: pack covers, watch the wetter hours, and expect a high near 33°C.
Frequently asked questions about weather in Mizuho
How warm does it get in Mizuho?
The warmest month in Mizuho is August, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in Mizuho?
The coldest month in Mizuho 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 Mizuho?
The wettest month in Mizuho is July, with an average of 383mm of precipitation.
What is the driest time of year in Mizuho?
The driest month in Mizuho is January, with an average of 70mm of precipitation.