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.

Mostly Cloudy

82°F

28°C

Humidity 88%
Wind Speed SW 12 mph
Barometer 29.71 in (1005.1 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 5 Aug 3:54 pm ChST
Extended Forecast for

Inarajan GU

High Surf Advisory August 5, 04:41pm until August 8, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 5, 04:41pm until August 8, 04:00pm

    NOW until 4:00pm Sat

    High Surf Advisory

  • This Afternoon

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 9 to 13 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. West wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 79.

    Low: 79 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 11 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 9 to 13 mph. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. West wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 79.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 79.
Sunday
A chance of showers. Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 79.
Monday
A chance of showers. Partly sunny, with a high near 84.
Monday Night
A chance of showers. Mostly cloudy, with a low around 79.
Tuesday
A chance of showers. Partly sunny, with a high near 84. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 83.
Wednesday
A chance of showers. Mostly cloudy, with a high near 85. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Inarajan GU
 13.28°N 144.74°E
Last Update:
6:06 am ChST Aug 5, 2026
Forecast Valid:
4pm ChST Aug 5, 2026-6pm ChST Aug 12, 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