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 85%
Wind Speed W 16 G 26 mph
Barometer 29.73 in (1005.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Aug 10:54 pm ChST
Extended Forecast for

2 Miles ENE Merizo GU

High Surf Advisory August 3, 11:48pm until August 8, 04:00pm
Wind Advisory August 3, 11:48pm until August 5, 06:00am
Click here for hazard details and duration
High Surf Advisory
Wind Advisory
  •  
    High Surf Advisory August 3, 11:48pm until August 8, 04:00pm
    Wind Advisory August 3, 11:48pm until August 5, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers and
    Breezy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West southwest wind 14 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West southwest wind 14 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 83.
Friday Night
A chance of showers. Mostly cloudy, with a low around 79.
Saturday
A chance of showers. Partly sunny, with a high near 83.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 79.
Sunday
A chance of showers. Partly sunny, with a high near 83.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 79.
Monday
Partly sunny, with a high near 83. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Merizo GU
 13.28°N 144.69°E
Last Update:
6:06 pm ChST Aug 3, 2026
Forecast Valid:
11pm ChST Aug 3, 2026-6pm ChST Aug 10, 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