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

83°F

28°C

Humidity 88%
Wind Speed SE 6 mph
Barometer 29.78 in (1007.7 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 29 Jul 1:54 am ChST
Extended Forecast for

Agana Heights GU

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 6 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 88. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Mostly cloudy, with a low around 78. Light south southeast wind.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Partly sunny, with a high near 88. South southeast wind 5 to 8 mph.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Mostly cloudy, with a low around 78. Light and variable wind.

    Low: 78 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

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

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 6 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Partly sunny, with a high near 88. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 78. Light south southeast wind.
Thursday
Isolated showers. Partly sunny, with a high near 88. South southeast wind 5 to 8 mph.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 78. Light and variable wind.
Friday
Isolated showers. Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 78.
Saturday
A chance of showers. Partly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 78.
Sunday
A chance of showers. Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 78.
Monday
A chance of showers. Partly sunny, with a high near 88.
Monday Night
A chance of showers. Mostly cloudy, with a low around 78.
Tuesday
A chance of showers. Partly sunny, with a high near 88. Breezy.
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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 pm ChST Jul 28, 2026
Forecast Valid:
2am ChST Jul 29, 2026-6pm ChST Aug 4, 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