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.

A Few Clouds

82°F

28°C

Humidity 79%
Wind Speed E 5 mph
Barometer 29.89 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Jun 6:54 am ChST
Extended Forecast for

Agana Heights GU

  • Today

    Today: Scattered showers and thunderstorms before noon. Partly sunny, with a high near 88. East northeast wind around 9 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Mostly cloudy, with a low around 76. East northeast wind around 8 mph.

    Low: 76 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 88. East wind 8 to 10 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 76. East wind 5 to 8 mph.

    Low: 76 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Partly sunny, with a high near 88. Northeast wind 6 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Thursday

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

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms before noon. Partly sunny, with a high near 88. East northeast wind around 9 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Mostly cloudy, with a low around 76. East northeast wind around 8 mph.
Monday
Isolated showers. Mostly sunny, with a high near 88. East wind 8 to 10 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 5 to 8 mph.
Tuesday
Isolated showers. Partly sunny, with a high near 88. Northeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 78.
Juneteenth
A chance of showers. Partly sunny, with a high near 87.
Friday Night
Mostly cloudy, with a low around 77.
Saturday
Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
Last Update:
6:06 am ChST Jun 14, 2026
Forecast Valid:
7am ChST Jun 14, 2026-6pm ChST Jun 20, 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