Koya weather live forecast

Tomorrow's maximum temperature in Koya is expected to be 72°F.

5-day weather forecast updated at 04:02 on Saturday 7th June 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 Sunday 8th June 2025

Expect overcast skies in Koya, Japan with a maximum temperature of 72°F, maximum UV of 7 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the south-east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 72°F wind chill72
    °F wind chill
  • Little or no wind of 2 mph from the South-East2
    mph wind from SE

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Koya weather for Monday 9th June 2025

Expect overcast with light rain in Koya, Japan with a maximum temperature of 66°F, maximum UV of 7 (High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and little or no wind of 3 mph from the south-east.

  • 66°F maximum temperature66
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 83% chance of some rain83
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Little or no wind of 3 mph from the South-East3
    mph wind from SE

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Koya weather for Tuesday 10th June 2025

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 68°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 98% chance of some rain and a light breeze of 5 mph from the south.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 5 mph from the South5
    mph wind from S

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Koya weather for Wednesday 11th June 2025

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 72°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a light breeze of 5 mph from the south-west.

  • 72°F maximum temperature72
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 77% chance of some rain77
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 72°F wind chill72
    °F wind chill
  • Light breeze of 5 mph from the South-West5
    mph wind from SW

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Koya weather for Thursday 12th June 2025

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 75°F, maximum UV of 10 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and little or no wind of 4 mph from the west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 58% chance of some rain58
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Little or no wind of 4 mph from the West4
    mph wind from W

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Metric (°C)  |  Imperial (°F)

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