Hiroshima weather live forecast

Today's maximum temperature in Hiroshima is expected to be 33°C. Select a day from the live weather forecast for Hiroshima, Japan for more weather parameters.

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

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

Hiroshima weather forecast by day

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

Hiroshima weather for Friday 5th September 2025

Expect isolated thunderstorms in Hiroshima, Japan with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a moderate breeze of 20 kph from the north.

  • 33°C maximum temperature33
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 16% chance of some rain16
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 20 kph from the North20
    kph wind from N

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Hiroshima weather for Saturday 6th September 2025

Expect scattered clouds in Hiroshima, Japan with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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Hiroshima weather for Sunday 7th September 2025

Expect scattered clouds in Hiroshima, Japan with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

  • 33°C maximum temperature33
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Hiroshima weather for Monday 8th September 2025

Expect isolated thunderstorms in Hiroshima, Japan with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 13 kph from the south.

  • 32°C maximum temperature32
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 72% chance of some rain72
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Hiroshima weather for Tuesday 9th September 2025

Expect isolated thunderstorms in Hiroshima, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a light breeze of 10 kph from the south.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 58% chance of some rain58
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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

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