Hiroshima weather live forecast

Today's maximum temperature in Hiroshima is expected to be 90°F. Select a day from the live weather forecast for Hiroshima, Japan for more weather parameters.

5-day weather forecast updated at 04:00 on Tuesday 19th August 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 Wednesday 20th August 2025

Expect scattered clouds in Hiroshima, Japan with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the south.

  • 90°F maximum temperature90
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    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
  • Gentle breeze of 8 mph from the South8
    mph wind from S

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Hiroshima weather for Thursday 21st August 2025

Expect isolated thunderstorms in Hiroshima, Japan with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 8 mph from the south.

  • 91°F maximum temperature91
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 31% chance of some rain31
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 8 mph from the South8
    mph wind from S

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Hiroshima weather for Friday 22nd August 2025

Expect scattered clouds in Hiroshima, Japan with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south.

  • 91°F maximum temperature91
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    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 9 mph from the South9
    mph wind from S

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Hiroshima weather for Saturday 23rd August 2025

Expect isolated thunderstorms in Hiroshima, Japan with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 8 mph from the south.

  • 91°F maximum temperature91
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 38% chance of some rain38
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 8 mph from the South8
    mph wind from S

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Hiroshima weather for Sunday 24th August 2025

Expect isolated thunderstorms in Hiroshima, Japan with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a light breeze of 7 mph from the north.

  • 93°F maximum temperature93
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 38% chance of some rain38
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 7 mph from the North7
    mph wind from N

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