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.

Mostly Cloudy

85°F

29°C

Humidity 77%
Wind Speed SE 9 G 18 mph
Barometer 29.83 in (1009.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 14 Jul 11:54 am ChST
Extended Forecast for

3 Miles S Agat GU

  • This Afternoon

    This Afternoon: Isolated showers. Partly sunny, with a high near 85. Southeast wind around 14 mph.

    High: 85 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 77. Southeast wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 85. Southeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 77. Southeast wind 7 to 13 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 85. East southeast wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Thursday

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

    High: 84 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 77 °F

    Chance
    Showers

  • Friday

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

    High: 83 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Partly sunny, with a high near 85. Southeast wind around 14 mph.
Tonight
Scattered showers. Mostly cloudy, with a low around 77. Southeast wind 9 to 11 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 85. Southeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 77. Southeast wind 7 to 13 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 85. East southeast wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Thursday Night
A chance of showers. 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 77.
Saturday
A chance of showers. Partly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 74.
Sunday
A chance of showers. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Agat GU
 13.33°N 144.67°E
Last Update:
6:05 am ChST Jul 14, 2025
Forecast Valid:
12pm ChST Jul 14, 2025-6pm ChST Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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