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.

Partly Cloudy

81°F

27°C

Humidity 91%
Wind Speed E 3 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 6:54 am ChST
Extended Forecast for

Agana Heights GU

  • Today

    Today: Scattered showers. Partly sunny, with a high near 88. South southeast wind around 7 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 78. South wind around 6 mph becoming calm after midnight.

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon. Partly sunny, with a high near 88. Light north wind. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

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

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 78 °F

    Mostly Cloudy

  • Thursday

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

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers. Partly sunny, with a high near 88. South southeast wind around 7 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 78. South wind around 6 mph becoming calm after midnight.
Monday
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 78. Calm wind.
Tuesday
A chance of showers after noon. Partly sunny, with a high near 88. Light north wind. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 79.
Friday
Partly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 79.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
Last Update:
6:06 am ChST Jun 21, 2026
Forecast Valid:
7am ChST Jun 21, 2026-6pm ChST Jun 27, 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