See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Overcast
Feels Like: 20°
Min: 21°
Max: 25°
The next few hours will be overcast, with today reaching 25°C and dropping to 19°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
17:30
Sunset
Moon
Waxing Gibbous
14:51
Moonrise
00:21
Moonset
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View stargazing scoreWeather in Nishimonai today, September 21, 2026
Nishimonai 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. The morning carries the wetter risk, with rain chances near 86% and the highest odds around 10:00. Cloud is also thick early on, peaking near 100% around 06:00.
The day peaks near 25°C and cools toward 21°C. Relative humidity sits between 78% and 99%, reaching its peak around 18:00. Winds stay light, near 1.6 km/h by 15:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 90% around 13:00. Cloud also stays substantial, close to 100% near 12:00. Visibility stays generally good near 10.5 km on average, though it can drop toward 1.4 km in thicker cloud or showers. Daylight runs from 05:31 to 17:30, lasting 11 hours 58 minutes of sunlight today.
In short, treat September 21, 2026 in Nishimonai as a damp day: pack covers, watch the wetter hours, and expect a high near 25°C.
Frequently asked questions about weather in Nishimonai
How warm does it get in Nishimonai?
The warmest month in Nishimonai is August, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Nishimonai?
The coldest month in Nishimonai is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Nishimonai?
The wettest month in Nishimonai is August, with an average of 205mm of precipitation.
What is the driest time of year in Nishimonai?
The driest month in Nishimonai is February, with an average of 113mm of precipitation.