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.

Light Rain

77°F

25°C

Humidity 96%
Wind Speed N 6 mph
Barometer 29.92 in (1012.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Sep 5:54 am ChST
Extended Forecast for

Tamuning GU

  • Today

    Today: Scattered showers and thunderstorms. Partly sunny, with a high near 88. Light east northeast wind becoming north northeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 78. East northeast wind 8 to 14 mph, with gusts as high as 18 mph.

    Low: 78 °F

    Mostly Cloudy

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 88. East northeast wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 88. East wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Monday Night

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

    Low: 78 °F

    Chance
    Showers

  • Tuesday

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

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms. Partly sunny, with a high near 88. Light east northeast wind becoming north northeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 78. East northeast wind 8 to 14 mph, with gusts as high as 18 mph.
Saturday
Scattered showers. Partly sunny, with a high near 88. East northeast wind 8 to 13 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. East wind 7 to 9 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Monday
A 30 percent 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 87.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Wednesday
A chance of showers. Partly sunny, with a high near 87.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 88.
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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:
6:05 am ChST Sep 19, 2025
Forecast Valid:
6am ChST Sep 19, 2025-6pm ChST Sep 25, 2025
 
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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