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.

Fair

86°F

30°C

Humidity 77%
Wind Speed N 15 mph
Barometer 29.85 in (1010.1 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 7 Sep 1:54 pm ChST
Extended Forecast for

Agana Heights GU

  • Labor Day

    Labor Day: Scattered showers and thunderstorms. Partly sunny, with a high near 87. North wind around 8 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 78. North wind 5 to 8 mph.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 87. North northeast wind 6 to 8 mph.

    High: 87 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. North wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. North wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    Showers

Detailed Forecast

Labor Day
Scattered showers and thunderstorms. Partly sunny, with a high near 87. North wind around 8 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 78. North wind 5 to 8 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 87. North northeast wind 6 to 8 mph.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. North wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. North wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 76.
Friday
A chance of showers. Partly sunny, with a high near 89.
Friday Night
A chance of showers. Mostly cloudy, with a low around 76.
Saturday
A chance of showers. Partly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
Last Update:
6:05 am ChST Sep 7, 2026
Forecast Valid:
2pm ChST Sep 7, 2026-6pm ChST Sep 13, 2026
 
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