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

86°F

30°C

Humidity 77%
Wind Speed N 12 mph
Barometer 29.79 in (1007.8 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 28 Jul 4:54 pm ChST
Extended Forecast for

Asan GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 88. North northeast wind around 11 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 6 to 11 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 around 6 mph becoming light and variable. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Mostly cloudy, with a low around 78. West wind around 5 mph becoming calm in the evening.

    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.

    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

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 88. North northeast wind around 11 mph. Chance of precipitation is 40%.
Tonight
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 6 to 11 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Partly sunny, with a high near 88. East northeast wind around 6 mph becoming light and variable. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 78. West wind around 5 mph becoming calm in the evening.
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.
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. Breezy.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Asan GU
 13.47°N 144.72°E
Last Update:
2:59 pm ChST Jul 28, 2026
Forecast Valid:
5pm ChST Jul 28, 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