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

80°F

27°C

Humidity 85%
Wind Speed W 7 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Oct 7:54 pm ChST
Extended Forecast for

Apra Harbor GU

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 84. Calm wind.

    Low: 84 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 84. Calm wind.

    Low: 84 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the morning.

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 84. East northeast wind around 5 mph.

    Low: 84 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 84.

    Low: 84 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 84.

    Low: 84 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 84. Calm wind.
Tuesday
Scattered showers. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 84. Calm wind.
Wednesday
Isolated showers. Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 84. East northeast wind around 5 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 84.
Friday
Mostly sunny, with a high near 86.
Friday Night
A chance of showers. Mostly cloudy, with a low around 84.
Saturday
Occasional showers and possibly a thunderstorm. Cloudy, with a high near 86. Breezy.
Saturday Night
Occasional showers. Cloudy, with a low around 84. Breezy.
Sunday
Showers likely. The rain could be heavy at times. Cloudy, with a high near 86. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 84.
Monday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Apra Harbor GU
 13.45°N 144.67°E
Last Update:
6:05 pm ChST Oct 12, 2026
Forecast Valid:
8pm ChST Oct 12, 2026-6pm ChST Oct 19, 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