Guam weather live forecast

Tomorrow's maximum temperature in Guam is expected to be 31°C.

5-day weather forecast updated at 04:00 on Wednesday 30th April 2025 GMT

More about Guam

Guam by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guam

Auto Europe: Cheap car hire deals worldwide

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide
Go to Auto Europe deal >>

View all Auto Europe offers

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 Thursday 1st May 2025

Expect broken clouds 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 mm of rainfall expected and a moderate breeze of 24 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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

Back to top

Guam weather for Friday 2nd May 2025

Expect broken clouds 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 mm of rainfall expected and a moderate breeze of 22 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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 22 kph from the East22
    kph wind from E

Back to top

Guam weather for Saturday 3rd May 2025

Expect isolated thunderstorms in Guam with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 20 kph from the east.

  • 32°C maximum temperature32
    °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)
  • 50% chance of some rain50
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 20 kph from the East20
    kph wind from E

Back to top

Guam weather for Sunday 4th May 2025

Expect broken clouds in Guam with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.

  • 32°C maximum temperature32
    °C maximum temperature
  • 27°C minimum temperature27
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 23 kph from the East23
    kph wind from E

Back to top

Guam weather for Monday 5th May 2025

Expect broken clouds 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 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 27°C minimum temperature27
    °C 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 18 kph from the East18
    kph wind from E

Back to top

Auto Europe: up to 30% off car rentals

  • Save up to 30% on car rentals with Auto Europe
  • Book cars across Lisbon, Paris, Rome & beyond
  • Travel before 31st December 2025 (inclusive)
Go to Auto Europe deal >>

Expires at 23:59 on Wednesday 30th Apr 2025 · View all Auto Europe offers

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

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^