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.

A Few Clouds

86°F

30°C

Humidity 72%
Wind Speed SE 9 mph
Barometer 29.80 in (1008.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 15 Jul 3:54 pm ChST
Extended Forecast for

Agana GU

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 78. East southeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 88. East southeast wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 88. East southeast wind 8 to 14 mph.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 77. East southeast wind 11 to 13 mph.

    Low: 77 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 77 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 78. East southeast wind around 10 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. East southeast wind 9 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 88. East southeast wind 8 to 14 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77. East southeast wind 11 to 13 mph.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 86.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 76.
Saturday
A chance of showers. Partly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 77.
Sunday
A chance of showers. Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 76.
Monday
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 76.
Tuesday
A chance of showers. Mostly cloudy, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agana GU
 13.47°N 144.74°E
Last Update:
6:05 am ChST Jul 15, 2025
Forecast Valid:
4pm ChST Jul 15, 2025-6pm ChST Jul 22, 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