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

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

81°F

27°C

Humidity 88%
Wind Speed W 14 mph
Barometer 29.84 in (1009.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 2 Sep 8:54 am ChST
Extended Forecast for

Agana Heights GU

  • Today

    Today: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 7 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Partly sunny, with a high near 87. Southwest wind 15 to 17 mph, with gusts as high as 23 mph.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 76 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 7 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 87. Southwest wind 15 to 17 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 78.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 76.
Sunday
A chance of showers. Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 77.
Labor Day
Partly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 77.
Tuesday
Partly sunny, with a high near 87.
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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 2, 2026
Forecast Valid:
9am ChST Sep 2, 2026-6pm ChST Sep 8, 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