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.

Partly Cloudy

82°F

28°C

Humidity 82%
Wind Speed E 10 mph
Barometer 29.87 in (1010.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 28 Jun 6:54 am ChST
Extended Forecast for

Agana Heights GU

  • Today

    Today: Isolated showers. Partly sunny, with a high near 89. East wind 10 to 13 mph.

    High: 89 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 77. East wind 7 to 11 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Partly sunny, with a high near 89. East wind 8 to 11 mph.

    High: 89 °F

    Partly Sunny
    then Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 78. East wind 5 to 8 mph.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 89. East wind 5 to 7 mph.

    High: 89 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 78 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers. Partly sunny, with a high near 89. East wind 10 to 13 mph.
Tonight
Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 77. East wind 7 to 11 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 89. East wind 8 to 11 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 5 to 8 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 89. East wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Partly sunny, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly cloudy, with a low around 78.
Friday
Mostly sunny, with a high near 89.
Friday Night
Mostly cloudy, with a low around 78.
Independence Day
Partly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
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 28, 2026
Forecast Valid:
7am ChST Jun 28, 2026-6pm ChST Jul 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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