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 85%
Wind Speed W 16 mph
Barometer 29.81 in (1008.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 31 Jul 7:54 pm ChST
Extended Forecast for

Tamuning GU

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 78. West wind around 11 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 87. West wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. West wind 13 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 14 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 86. Breezy.

    High: 86 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 77. Breezy.

    Low: 77 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 78. West wind around 11 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 87. West wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. West wind 13 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 14 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Monday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy. Chance of precipitation is 50%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 77.
Tuesday
A chance of showers. Mostly cloudy, with a high near 86. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 77. Breezy.
Wednesday
Partly sunny, with a high near 86. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Thursday
A chance of showers. Partly sunny, with a high near 85.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Mostly cloudy, with a high near 84. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
Last Update:
6:06 pm ChST Jul 31, 2026
Forecast Valid:
8pm ChST Jul 31, 2026-6pm ChST Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation