Koya weather live forecast

Today's maximum temperature in Koya is expected to be 10°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

5-day weather forecast updated at 04:03 on Thursday 13th November 2025 GMT

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The 5-day weather forecast for Japan (Koya) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Koya weather forecast by day

Below are the detailed weather forecasts for Koya for the next 5 days.

Koya weather for Friday 14th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 10°C maximum temperature10
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the North7
    kph wind from N

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Koya weather for Saturday 15th November 2025

Expect clear skies in Koya, Japan with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Clear skies
    clear skies
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the North7
    kph wind from N

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Koya weather for Sunday 16th November 2025

Expect scattered clouds in Koya, Japan with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the South-East5
    kph wind from SE

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Koya weather for Monday 17th November 2025

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a light breeze of 12 kph from the north-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 56% chance of some rain56
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Light breeze of 12 kph from the North-West12
    kph wind from NW

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Koya weather for Tuesday 18th November 2025

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 5°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 16 kph from the north-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 49% chance of some rain49
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

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Metric (°C / mm)  |  Imperial (°F / inches)

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