See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Drizzle
Feels Like: 18°
Min: 19°
Max: 25°
The next few hours will be overcast, with tomorrow reaching 27°C and dropping to 17°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
05:33
Sunrise
17:44
Sunset
Moon
Waxing Crescent
10:36
Moonrise
20:14
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Nagaoka tomorrow, September 17, 2026
Conditions in Nagaoka on September 17, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Wetter spells lean into the morning, when rain odds reach about 88% near 00:00. Skies look heaviest around 00:00, with cover close to 92%.
Expect highs of 27°C and cooler readings close to 18°C. Expect humidity between 58% and 98%, most humid near 01:00. A lighter breeze peaks around 15:00 near 5.2 km/h.
Afternoon conditions improve on the morning wet spell, as rain chances fall toward 0% from about 88% earlier. Cloud still reaches roughly 49% near 12:00. Horizontal visibility holds close to 16.1 km. Sunrise is at 05:34 and sunset at 17:42, giving 12 hours 8 minutes of sunlight today.
Overall, Nagaoka on September 17, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 88% and the high sits around 27°C.
Frequently asked questions about weather in Nagaoka
How warm does it get in Nagaoka?
The warmest month in Nagaoka is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Nagaoka?
The coldest month in Nagaoka is January, with average low temperatures of 0°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Nagaoka?
The wettest month in Nagaoka is December, with an average of 224mm of precipitation.
What is the driest time of year in Nagaoka?
The driest month in Nagaoka is May, with an average of 107mm of precipitation.
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