Guam Weather Forecast

Check the Guam weather forecast for the next 5 days before you head off on holiday. The 5-day forecast shows the prevailing weather conditions, maximum & minimum temperatures, hours of sunshine per day, wind speed & direction and more. Tomorrow's maximum temperature in Guam is expected to be 31°C. The weather forecast shown below is for Agana.

Guam: 5-day weather forecast

Click on a symbol below to see the daily forecast in detail.

Last updated at 16:00 on Sunday 10th December 2017 GMT

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

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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 Monday 11th December 2017

Below is the Guam weather forecast for Monday 11th December 2017. Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 23 kph from the east.

  • 29
    °C maximum temperature
  • 26
    °C minimum temperature
  • isolated thunderstorms
  • 4
    hours of sunshine
  • 80
    % chance of some rain
  • <20
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 23
    kph wind from E

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Guam weather for Tuesday 12th December 2017

Below is the Guam weather forecast for Tuesday 12th December 2017. Expect broken clouds in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the east.

  • 31
    °C maximum temperature
  • 26
    °C minimum temperature
  • broken clouds
  • 4
    hours of sunshine
  • 0
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 27
    kph wind from E

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Guam weather for Wednesday 13th December 2017

Below is the Guam weather forecast for Wednesday 13th December 2017. Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a fresh breeze of 30 kph from the east.

  • 29
    °C maximum temperature
  • 26
    °C minimum temperature
  • isolated thunderstorms
  • 4
    hours of sunshine
  • 64
    % chance of some rain
  • <10
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 30
    kph wind from E

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Guam weather for Thursday 14th December 2017

Below is the Guam weather forecast for Thursday 14th December 2017. Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a fresh breeze of 30 kph from the east.

  • 29
    °C maximum temperature
  • 26
    °C minimum temperature
  • isolated thunderstorms
  • 2
    hours of sunshine
  • 90
    % chance of some rain
  • <20
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 30
    kph wind from E

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Guam weather for Friday 15th December 2017

Below is the Guam weather forecast for Friday 15th December 2017. Expect isolated thunderstorms in Guam with a maximum temperature of 31°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 26 kph from the east.

  • 31
    °C maximum temperature
  • 26
    °C minimum temperature
  • isolated thunderstorms
  • 5
    hours of sunshine
  • 46
    % chance of some rain
  • <30
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 26
    kph wind from E

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Guam weather by month

Check Guam weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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