Guam weather forecast

Last updated at 04:00 on Tuesday 25th June 2019 GMT

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Tomorrow's maximum temperature in Guam is expected to be 31°C. The weather forecast shown above is for Agana.

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The 5-day weather forecast for Guam, represented by Agana, is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

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

Guam weather forecast by day

Below are the detailed weather forecasts for Guam for the next 5 days. The forecasts shown are for Agana and may not represent the whole of Guam. Browse more destinations in Guam to view more weather forecasts.

Guam weather for Tuesday 25th June 2019

Below is the Guam weather forecast for Tuesday 25th June 2019. Expect broken clouds in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 28°C minimum temperature28
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 24 kph from the East24
    kph wind from E

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Guam weather for Wednesday 26th June 2019

Below is the Guam weather forecast for Wednesday 26th June 2019. Expect isolated thunderstorms in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 22 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 67% chance of some rain67
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 22 kph from the East22
    kph wind from E

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Guam weather for Thursday 27th June 2019

Below is the Guam weather forecast for Thursday 27th June 2019. Expect isolated thunderstorms in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 51% chance of some rain51
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Guam weather for Friday 28th June 2019

Below is the Guam weather forecast for Friday 28th June 2019. Expect isolated thunderstorms in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 16 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 56% chance of some rain56
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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Guam weather for Saturday 29th June 2019

Below is the Guam weather forecast for Saturday 29th June 2019. Expect isolated thunderstorms in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) 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 17 kph from the east.

  • 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 11+ (Extreme)11
    UV index (Extreme)
  • 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 17 kph from the East17
    kph wind from E

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  • Save an extra 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2019 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Sunday 30th Jun 2019 · View all Holiday Autos offers

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