Weather forecast for 10 daysKoyasu, Japan

Weather forecast for the weekend

Saturday 7. Nov 2026

  • 19°C
  • 9°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 8km/hE 85°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 06:09 JST
  • Sunset: 16:43 JST
  • ▼
On Saturday, November 7, sunshine will lead the day, with clouds making only brief appearances.
The highest temperature will be a comfortable 19°C, while the lowest forecasted temperature is a chilly 9°C.
The maximum temperature for tomorrow is forecasted to match the regular November high of 17.1°C.
Sunrise will be at 06:09 and sunset at 16:43; tomorrow's daylight will last for 10h and 33min.

Sunday 8. Nov 2026

  • 16°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 5mm
  • Wind: 8km/hENE 57°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 06:10 JST
  • Sunset: 16:42 JST
  • ▼
On Sunday, in Koyasu, expect partly sunny skies with periods of cloudiness.
The maximum temperature will be a breezy 16°C, while the minimum forecasted temperature is a cool 10°C.
On Sunday, the maximum temperature is expected to be in line with the typical November high of 17.1°C.
Sunrise will be at 06:10 and sunset at 16:42; the daylight will last for 10h and 31min.

10-day overview

Daily temperatures

Warmest day: Friday 13.11. 20°C.
Coldest day: Monday 13°C.

Chance of precipitation

Highest chance: Monday 75%.

Long-term weather forecast

  • Friday
  • 6. Nov 2026
  • min.
  • 12°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 6km/hWNW 291°
  • Humidity: 79%
  • UV index: 0
  • Sunrise: 06:08 JST
  • Sunset: 16:44 JST
  • ▼
  • Saturday
  • 7. Nov 2026
  • 19°C
  • 9°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 8km/hE 85°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 06:09 JST
  • Sunset: 16:43 JST
  • ▼
  • Sunday
  • 8. Nov 2026
  • 16°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 5mm
  • Wind: 8km/hENE 57°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 06:10 JST
  • Sunset: 16:42 JST
  • ▼
  • Monday
  • 9. Nov 2026
  • 13°C
  • 9°C
Rain
Rain
  • Precip. probability: 75%
  • Precipitation: 6mm
  • Wind: 12km/hN 0°
  • Humidity: 84%
  • UV index: 2
  • Sunrise: 06:11 JST
  • Sunset: 16:41 JST
  • ▼
  • Tuesday
  • 10. Nov 2026
  • 14°C
  • 7°C
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 4mm
  • Wind: 12km/hNE 34°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 06:12 JST
  • Sunset: 16:40 JST
  • ▼
  • Wednesday
  • 11. Nov 2026
  • 16°C
  • 8°C
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hNE 38°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 06:13 JST
  • Sunset: 16:39 JST
  • ▼
  • Thursday
  • 12. Nov 2026
  • 17°C
  • 10°C
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 7km/hENE 73°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 06:14 JST
  • Sunset: 16:39 JST
  • ▼
  • Friday
  • 13. Nov 2026
  • 20°C
  • 11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 7km/hWSW 239°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 06:15 JST
  • Sunset: 16:38 JST
  • ▼
  • Saturday
  • 14. Nov 2026
  • 19°C
  • 13°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 2mm
  • Wind: 8km/hNE 42°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 06:16 JST
  • Sunset: 16:37 JST
  • ▼
  • Sunday
  • 15. Nov 2026
  • 18°C
  • 15°C
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 7mm
  • Wind: 9km/hWNW 301°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 06:17 JST
  • Sunset: 16:37 JST
  • ▼
Over the next ten days, a mix of overcast, mostly clear and rainy weather is anticipated.
Rain is predicted for Monday, Tuesday and next Sunday.
Expect a substantial fluctuation in daytime highs in the coming days. Highs will range from 13°C to 20°C, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 7°C up to 15°C.
The warmest day will be next Friday, with a maximum of 20°C; expect the coldest day on Monday with a high of 13°C.
Updated: Nov 6, 2026 @ 10:13:26 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, predominantly sunny weather will make for pleasant outdoor conditions.

Tomorrow, the maximum temperature will be 19°C, while the minimum temperature will be 9°C.
The highest temperature will be in line with the average maximum of 17.1°C in November. The lowest temperature will be slightly cooler than the average low of 13.2°C.

On Saturday, in Koyasu, sunrise will be at 06:09 and sunset at 16:43 (JST).

Tomorrow, the daylight will last for 10h and 33min.

On Sunday, scattered clouds may briefly filter the sunlight, but it will remain bright overall.

On Sunday, the highest temperature will be 16°C, while the lowest temperature will be 10°C.