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

84°F

29°C

Humidity 77%
Wind Speed S 14 G 21 mph
Barometer 29.88 in (1011.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 3 Aug 9:54 am ChST
Extended Forecast for

Tamuning GU

  • Today

    Today: Scattered showers. Mostly cloudy, with a high near 87. Southeast wind 9 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 77. Southeast wind 5 to 11 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers. Partly sunny, with a high near 88. East southeast wind 8 to 11 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. East southeast wind 9 to 11 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 77 °F

    Chance
    Showers

  • Thursday

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

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers. Mostly cloudy, with a high near 87. Southeast wind 9 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tonight
Scattered showers. Mostly cloudy, with a low around 77. Southeast wind 5 to 11 mph. Chance of precipitation is 30%.
Monday
Isolated showers. Partly sunny, with a high near 88. East southeast wind 8 to 11 mph.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. East southeast wind 9 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 87.
Friday Night
A chance of showers. Mostly cloudy, with a low around 78.
Saturday
A chance of showers. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
Last Update:
6:04 am ChST Aug 3, 2025
Forecast Valid:
10am ChST Aug 3, 2025-6pm ChST Aug 9, 2025
 
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