Weather forecast for todayKoyasan, Japan

Weather forecast for today

Current condition 21:33 JST

  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 13km/hSE 130°
  • Humidity: 74%
  • Dewpoint: 11°C
  • Pressure: 1024.38mbar
  • Visibility: 14.48km
  • UV index: 0
  • ▼
At the moment, the sky is partially covered with clouds, offering glimpses of blue.
The temperature is a refreshing 15°C, and the apparent temperature is almost the same at 14°C. The current temperature is almost at the minimum-expected 14°C for today.

Sunday 18. Oct 2026

  • min.
  • 14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 14km/hSSE 149°
  • Humidity: 79%
  • UV index: 0
  • Sunrise: 06:05 JST
  • Sunset: 17:20 JST
  • ▼
For the rest of Sunday, occasional clouds will pass by, but expect bright spells.
The lowest expected temperature is a refreshing 14°C.
Sunrise was at 06:05 and sunset at 17:20; the daylight lasted for 11h and 16min.

Hourly overview

Hourly temperatures

Warmest period: 22h - 6h 15°C.
Coldest period: 22h - 6h 15°C.

Chance of precipitation

Highest chance: 5h - 6h 7%.

Hourly weather forecast

  • 22h
  • 15°C
  • Feels like:
    15°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 13km/hSSE 148°
  • Humidity: 75%
  • Pressure: 1024mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 23h
  • 15°C
  • Feels like:
    15°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hSSE 149°
  • Humidity: 76%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 0h
  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hSSE 149°
  • Humidity: 77%
  • Pressure: 1023mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 1h
  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 14km/hSSE 149°
  • Humidity: 80%
  • Pressure: 1023mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 2h
  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 13km/hSSE 152°
  • Humidity: 80%
  • Pressure: 1023mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 3h
  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 14km/hSSE 153°
  • Humidity: 82%
  • Pressure: 1022mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 4h
  • 15°C
  • Feels like:
    14°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hSE 146°
  • Humidity: 84%
  • Pressure: 1022mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 5h
  • 15°C
  • Feels like:
    14°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 13km/hSE 145°
  • Humidity: 82%
  • Pressure: 1022mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 6h
  • 15°C
  • Feels like:
    15°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 12km/hSE 144°
  • Humidity: 83%
  • Pressure: 1022mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 7h
  • 16°C
  • Feels like:
    15°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 12km/hSE 146°
  • Humidity: 81%
  • Pressure: 1022mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Updated: Oct 18, 2026 @ 12:33:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 21:33 JST is 15°C.

On Sunday, sun and clouds will share the sky, creating a partly cloudy day.

On Sunday, in Koyasan, sunrise was at 06:05 and sunset at 17:20 (JST).

Today, the daylight lasted for 11h and 16min.