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.

Fair

84°F

29°C

Humidity 74%
Wind Speed E 10 mph
Barometer 29.86 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 17 Jul 7:54 am ChST
Extended Forecast for

3 Miles S Agat GU

  • Today

    Today: Partly sunny, with a high near 86. East southeast wind around 14 mph, with gusts as high as 18 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 84. East wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. East northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 84. East wind around 16 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 86. East southeast wind around 14 mph, with gusts as high as 18 mph.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. East wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. East northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. East wind around 16 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 75.
Sunday
Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 75.
Monday
A chance of showers. Partly sunny, with a high near 84.
Monday Night
A chance of showers. Mostly cloudy, with a low around 75.
Tuesday
A chance of showers. Partly sunny, with a high near 84.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 74.
Wednesday
Partly sunny, with a high near 84.
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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 17, 2025
Forecast Valid:
8am ChST Jul 17, 2025-6pm ChST Jul 23, 2025
 
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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