See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Light Rain
Feels Like: 19°
Min: 19°
Max: 23°
The next few hours will be rain and humid, with today reaching 23°C and dropping to 20°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
05:31
Sunrise
17:30
Sunset
Moon
Waxing Gibbous
14:45
Moonrise
00:28
Moonset
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View stargazing scoreWeather in Shirakawa today, September 21, 2026
Shirakawa 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. Early hours look the most unsettled, with rain probability near 100% by 04:00. The thickest cloud arrives around 02:00, reaching about 100%.
The temperature range runs from about 19°C up to 23°C. Relative humidity sits between 99% and 100%, reaching its peak around 02:00. Expect gentle winds, highest near 23:00 at 6.9 km/h.
Expect the wet theme to continue later, as rain odds reach 100% near 12:00. Cloud amounts hold near 100% around 12:00. Visibility holds near 1.0 km, though it can fall to 0.1 km. Expect sunrise at 05:31, sunset at 17:30, and 11 hours 58 minutes of sunlight today overall.
In short, treat September 21, 2026 in Shirakawa as a damp day: pack covers, watch the wetter hours, and expect a high near 23°C.
Frequently asked questions about weather in Shirakawa
How warm does it get in Shirakawa?
The warmest month in Shirakawa 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 Shirakawa?
The coldest month in Shirakawa is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Shirakawa?
The wettest month in Shirakawa is July, with an average of 190mm of precipitation.
What is the driest time of year in Shirakawa?
The driest month in Shirakawa is December, with an average of 45mm of precipitation.
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