Koya weather live forecast

Today's maximum temperature in Koya is expected to be 50°F. 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 50°F, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

  • 50°F maximum temperature50
    °F maximum temperature
  • 41°F minimum temperature41
    °F 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 4 mph from the North4
    mph 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 50°F, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

  • 50°F maximum temperature50
    °F maximum temperature
  • 39°F minimum temperature39
    °F 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 4 mph from the North4
    mph 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 55°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the south-east.

  • 55°F maximum temperature55
    °F maximum temperature
  • 41°F minimum temperature41
    °F 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 3 mph from the South-East3
    mph 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 57°F, 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 7 mph from the north-west.

  • 57°F maximum temperature57
    °F maximum temperature
  • 43°F minimum temperature43
    °F 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
  • 57°F wind chill57
    °F wind chill
  • Light breeze of 7 mph from the North-West7
    mph 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 41°F, 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 10 mph from the north-west.

  • 41°F maximum temperature41
    °F maximum temperature
  • 34°F minimum temperature34
    °F 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
  • 36°F wind chill36
    °F wind chill
  • Gentle breeze of 10 mph from the North-West10
    mph wind from NW

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