National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Light Rain

26°C

79°F

Humidity 94%
Wind Speed S 6 km/h
Barometer 1010.6 mb (29.87 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 1 Jul 7:54 am ChST
Extended Forecast for

Agana GU

  • Today

    Today: Scattered showers and thunderstorms. Partly sunny, with a high near 29. South wind around 13 km/h. Chance of precipitation is 30%.

    High: 29 °C

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 25. South wind 8 to 13 km/h becoming light. Chance of precipitation is 30%.

    Low: 25 °C

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly sunny, with a high near 30. South southwest wind 8 to 10 km/h. Chance of precipitation is 30%.

    High: 30 °C

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 25. South southeast wind 5 to 8 km/h. Chance of precipitation is 30%.

    Low: 25 °C

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 31. South southeast wind 8 to 11 km/h. Chance of precipitation is 30%.

    High: 31 °C

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °C

    Scattered
    Showers

  • Independence Day

    Independence Day: Scattered showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °C

    Scattered
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 25.

    Low: 25 °C

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 31.

    High: 31 °C

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms. Partly sunny, with a high near 29. South wind around 13 km/h. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 25. South wind 8 to 13 km/h becoming light. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Mostly sunny, with a high near 30. South southwest wind 8 to 10 km/h. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 25. South southeast wind 5 to 8 km/h. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 31. South southeast wind 8 to 11 km/h. Chance of precipitation is 30%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Independence Day
Scattered showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 25.
Saturday
A chance of showers. Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 31.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 25.
Monday
A chance of showers. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Agana GU
 13.47°N 144.74°E
Last Update:
6:03 am ChST Jul 1, 2025
Forecast Valid:
8am ChST Jul 1, 2025-6pm ChST Jul 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation