Guam weather forecast

Last updated at 16:00 on Friday 14th December 2018 GMT

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Tomorrow's maximum temperature in Guam is expected to be 29°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 Saturday 15th December 2018

Below is the Guam weather forecast for Saturday 15th December 2018. Expect isolated thunderstorms in Guam with a maximum temperature of 30°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 32 kph from the north-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • 60% chance of some rain60
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Fresh breeze of 32 kph from the North-East32
    kph wind from NE

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Guam weather for Sunday 16th December 2018

Below is the Guam weather forecast for Sunday 16th December 2018. Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 26 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • 69% chance of some rain69
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 26 kph from the North-East26
    kph wind from NE

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Guam weather for Monday 17th December 2018

Below is the Guam weather forecast for Monday 17th December 2018. Expect isolated thunderstorms in Guam with a maximum temperature of 30°C, moderate levels of heat & humidity and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 13 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Guam weather for Tuesday 18th December 2018

Below is the Guam weather forecast for Tuesday 18th December 2018. Expect isolated thunderstorms in Guam with a maximum temperature of 30°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a light breeze of 9 kph from the south-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • 46% chance of some rain46
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South-East9
    kph wind from SE

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Guam weather for Wednesday 19th December 2018

Below is the Guam weather forecast for Wednesday 19th December 2018. Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 17 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 26°C minimum temperature26
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • 66% chance of some rain66
    % 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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