Niigata weather live forecast

Today's maximum temperature in Niigata is expected to be 29°C. Select a day from the live weather forecast for Niigata, Japan for more weather parameters.

5-day weather forecast updated at 04:00 on Friday 15th August 2025 GMT

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

Niigata weather forecast by day

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

Niigata weather for Saturday 16th August 2025

Expect scattered clouds in Niigata, Japan with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

  • 29°C maximum temperature29
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the North10
    kph wind from N

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Niigata weather for Sunday 17th August 2025

Expect isolated thunderstorms in Niigata, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 61% chance of some rain61
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Niigata weather for Monday 18th August 2025

Expect isolated thunderstorms in Niigata, Japan with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 13 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 58% chance of some rain58
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Niigata weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Niigata, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 13 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Niigata weather for Wednesday 20th August 2025

Expect isolated thunderstorms in Niigata, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 13 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 53% chance of some rain53
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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

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