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

85°F

29°C

Humidity 77%
Wind Speed E 8 mph
Barometer 29.82 in (1009.0 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 26 Jul 6:54 pm ChST
Extended Forecast for

Maina GU

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. East wind 6 to 10 mph.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 88. East wind 6 to 11 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 5 to 11 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly cloudy, with a high near 87. East northeast wind 5 to 9 mph. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 77. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers. Partly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 77. East wind 6 to 10 mph.
Monday
Scattered showers. Partly sunny, with a high near 88. East wind 6 to 11 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 5 to 11 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 87. East northeast wind 5 to 9 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 77. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
Isolated showers. Partly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
Partly sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 78.
Friday
Partly sunny, with a high near 88.
Friday Night
A chance of showers. Mostly cloudy, with a low around 78.
Saturday
A chance of showers. Partly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 78.
Sunday
A chance of showers. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maina GU
 13.45°N 144.74°E
Last Update:
6:06 pm ChST Jul 26, 2026
Forecast Valid:
7pm ChST Jul 26, 2026-6pm ChST Aug 2, 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