Weather forecast for 10 daysNagano, Japan

Weather forecast for the weekend

Sunday 15. Nov 2026

  • min.
  • 8°C
Rain
Rain
  • Precip. probability: 92%
  • Precipitation: 7mm
  • Wind: 9km/hN 3°
  • Humidity: 95%
  • UV index: 0
  • Sunrise: 06:24 JST
  • Sunset: 16:38 JST
  • ▼
For the rest of Sunday, steady showers will keep conditions wet, with little relief.
The likelihood of rain for today is high. However, precipitation will be light. The lowest expected temperature is a chilly 8°C.
Sunrise was at 06:24 and sunset will be at 16:38; the daylight will last for 10h and 14min.

10-day overview

Daily temperatures

Warmest day: Wednesday 17°C.
Coldest day: Friday 6°C.

Chance of precipitation

Highest chance: today 92%.

Long-term weather forecast

  • Sunday
  • 15. Nov 2026
  • min.
  • 8°C
Rain
Rain
  • Precip. probability: 92%
  • Precipitation: 7mm
  • Wind: 9km/hN 3°
  • Humidity: 95%
  • UV index: 0
  • Sunrise: 06:24 JST
  • Sunset: 16:38 JST
  • ▼
  • Monday
  • 16. Nov 2026
  • 13°C
  • 5°C
AM Showers
AM Showers
  • Precip. probability: 52%
  • Precipitation: 1mm
  • Wind: 14km/hNNE 25°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 06:25 JST
  • Sunset: 16:38 JST
  • ▼
  • Tuesday
  • 17. Nov 2026
  • 13°C
  • 8°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 8mm
  • Wind: 8km/hSSW 199°
  • Humidity: 77%
  • UV index: 3
  • Sunrise: 06:26 JST
  • Sunset: 16:37 JST
  • ▼
  • Wednesday
  • 18. Nov 2026
  • 17°C
  • 6°C
Showers
Showers
  • Precip. probability: 71%
  • Precipitation: 11mm
  • Wind: 7km/hW 278°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 06:27 JST
  • Sunset: 16:36 JST
  • ▼
  • Thursday
  • 19. Nov 2026
  • 11°C
  • 0°C
Showers
Showers
  • Precip. probability: 57%
  • Precipitation: 12mm
  • Wind: 13km/hWSW 252°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 06:28 JST
  • Sunset: 16:36 JST
  • ▼
  • Friday
  • 20. Nov 2026
  • 6°C
  • -1°C
Rain / Snow
Rain / Snow
  • Precip. probability: 77%
  • Precipitation: 16mm
  • Wind: 12km/hWSW 249°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 06:29 JST
  • Sunset: 16:35 JST
  • ▼
  • Saturday
  • 21. Nov 2026
  • 7°C
  • -1°C
Rain / Snow
Rain / Snow
  • Precip. probability: 67%
  • Precipitation: 9mm
  • Wind: 9km/hWSW 249°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 06:30 JST
  • Sunset: 16:35 JST
  • ▼
  • Sunday
  • 22. Nov 2026
  • 9°C
  • -1°C
AM Rain / Snow
AM Rain / Snow
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 9km/hNNW 340°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 06:31 JST
  • Sunset: 16:34 JST
  • ▼
  • Monday
  • 23. Nov 2026
  • 12°C
  • 2°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 1mm
  • Wind: 6km/hW 260°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 06:32 JST
  • Sunset: 16:34 JST
  • ▼
  • Tuesday
  • 24. Nov 2026
  • 13°C
  • 6°C
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 8mm
  • Wind: 8km/hSSW 211°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 06:33 JST
  • Sunset: 16:33 JST
  • ▼
Mixed conditions are forecasted for the coming ten days, and a mix of rainy, snow-covered, cloud-filled and bright weather is forecasted.
Rain is forecasted for Sunday through Thursday and next Tuesday.
Snow is anticipated on Friday through next Sunday. With heavy precipitation of 16mm, most snowfall is expected on Friday.
Substantial differences in temperature are forecasted across the forecast period. Forecast highs will fluctuate between 6°C and 17°C, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between -1°C and 8°C.
The warmest day will be Wednesday, with a maximum of 17°C; Friday will be the coldest day, with the highest temperature of 6°C.
Updated: Nov 15, 2026 @ 06:55:20 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Nagano, expect showery conditions to last throughout the day.

Light precipitation of 7mm is anticipated. The possibility of rainfall is high at 92%.

On Sunday, in Nagano, sunrise was at 06:24 and sunset will be at 16:38 (JST).

In Nagano, Japan, today, there will be 10h and 14min of daylight.