Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 86°F. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 25th September 2025 GMT

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

Nagasaki weather forecast by day

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

Nagasaki weather for Thursday 25th September 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south-east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 4 mph from the South-East4
    mph wind from SE

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Nagasaki weather for Friday 26th September 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-west.

  • 88°F maximum temperature88
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 4 mph from the North-West4
    mph wind from NW

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Nagasaki weather for Saturday 27th September 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the north.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 3 mph from the North3
    mph wind from N

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Nagasaki weather for Sunday 28th September 2025

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 84% chance of some rain and a light breeze of 7 mph from the south-west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 84% chance of some rain84
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 mph from the South-West7
    mph wind from SW

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Nagasaki weather for Monday 29th September 2025

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 49% chance of some rain and a light breeze of 7 mph from the north-west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 49% chance of some rain49
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the North-West7
    mph wind from NW

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