National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

82°F

28°C

Humidity 79%
Wind Speed SW 12 mph
Barometer 29.83 in (1007.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 9 Aug 8:54 pm ChST
Extended Forecast for

Agana Heights GU

High Surf Advisory August 9, 09:55pm until August 13, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 9, 09:55pm until August 13, 04:00pm

    NOW until 4:00pm Thu

    High Surf Advisory

  • Tonight

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 88. West southwest wind 17 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 79. West southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly cloudy, with a high near 86. West southwest wind 15 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. West southwest wind 16 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 78. West southwest wind around 16 mph, with gusts as high as 21 mph.
Monday
Scattered showers. Partly sunny, with a high near 88. West southwest wind 17 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 79. West southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 86. West southwest wind 15 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. West southwest wind 16 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 79.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 78.
Friday
A chance of showers. Partly sunny, with a high near 88.
Friday Night
A chance of showers. Mostly 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
Last Update:
6:05 pm ChST Aug 9, 2026
Forecast Valid:
9pm ChST Aug 9, 2026-6pm ChST Aug 16, 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