See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Light Rain and Humid
Feels Like: 21°
Min: 21°
Max: 24°
The next few hours will be light rain and humid, with today reaching 24°C and dropping to 22°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
05:34
Sunrise
17:33
Sunset
Moon
Waxing Gibbous
14:47
Moonrise
00:32
Moonset
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View stargazing scoreWeather in Nikkō today, September 21, 2026
Expect unsettled, showery conditions in Nikkō on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 05:00. Cloud is also thick early on, peaking near 100% around 05:00.
The day peaks near 24°C and cools toward 21°C. The air stays humid, with relative humidity between 95% and 100% and the peak around 09:00. A lighter breeze peaks around 21:00 near 4.1 km/h.
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. Horizontal visibility sits around 0.4 km, briefly nearer 0.1 km. Expect sunrise at 05:34, sunset at 17:33, and 11 hours 58 minutes of sunlight today overall.
The practical takeaway for Nikkō on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 24°C.
Frequently asked questions about weather in Nikkō
How warm does it get in Nikkō?
The warmest month in Nikkō is August, with average high temperatures of 26°C. The average temperature during this period is around 23°C.
How cold does it get in Nikkō?
The coldest month in Nikkō is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Nikkō?
The wettest month in Nikkō is July, with an average of 297mm of precipitation.
What is the driest time of year in Nikkō?
The driest month in Nikkō is December, with an average of 53mm of precipitation.
