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 82%
Wind Speed NW 6 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 18 Aug 8:54 am ChST
Extended Forecast for

2 Miles WSW Inarajan GU

  • Today

    Today: Scattered showers and thunderstorms after noon. Partly sunny, with a high near 87. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. North wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. North wind 10 to 13 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. North northeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 87. East northeast wind around 8 mph.

    High: 87 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 87. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. North wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. North wind 10 to 13 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. North northeast wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 87. East northeast wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 78.
Saturday
A chance of showers. Partly sunny, with a high near 87.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 77.
Sunday
A chance of showers. Mostly cloudy, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 77.
Monday
A chance of showers. Mostly cloudy, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Inarajan GU
 13.26°N 144.72°E
Last Update:
6:05 am ChST Aug 18, 2026
Forecast Valid:
9am ChST Aug 18, 2026-6pm ChST Aug 24, 2026
 
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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