Guam weather live forecast

Tomorrow's maximum temperature in Guam is expected to be 86°F.

5-day weather forecast updated at 04:00 on Friday 18th April 2025 GMT

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

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 19th April 2025

Expect isolated thunderstorms in Guam with a maximum temperature of 86°F, 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 15% chance of some rain and a moderate breeze of 13 mph from the east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 13 mph from the East13
    mph wind from E

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Guam weather for Sunday 20th April 2025

Expect isolated thunderstorms in Guam with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 10 mph from the east.

  • 86°F maximum temperature86
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 55% chance of some rain55
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 10 mph from the East10
    mph wind from E

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Guam weather for Monday 21st April 2025

Expect isolated thunderstorms in Guam with a maximum temperature of 88°F, 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 52% chance of some rain and a gentle breeze of 8 mph from the north-east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 52% chance of some rain52
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 8 mph from the North-East8
    mph wind from NE

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Guam weather for Tuesday 22nd April 2025

Expect broken clouds in Guam with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    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
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Guam weather for Wednesday 23rd April 2025

Expect broken clouds in Guam with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    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
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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