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

78°F

26°C

Humidity 90%
Wind Speed Calm
Barometer 29.89 in (1011.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Oct 5:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Scattered showers. Partly sunny, with a high near 87. Light southwest wind. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 87. East wind 3 to 5 mph.

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 6 mph.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 87. East northeast wind around 7 mph.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

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

    Low: 78 °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 75.

    Low: 75 °F

    Chance
    Showers

  • Saturday

    Saturday: Occasional showers and possibly a thunderstorm. Cloudy, with a high near 83. Breezy.

    High: 83 °F

    Showers and
    Breezy

Detailed Forecast

Today
Scattered showers. Partly sunny, with a high near 87. Light southwest wind. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 77. Calm wind.
Wednesday
Isolated showers. Mostly sunny, with a high near 87. East wind 3 to 5 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 6 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 87. East northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Mostly sunny, with a high near 86.
Friday Night
A chance of showers. Mostly cloudy, with a low around 75.
Saturday
Occasional showers and possibly a thunderstorm. Cloudy, with a high near 83. Breezy.
Saturday Night
Occasional showers. Cloudy, with a low around 79. Breezy.
Sunday
Showers likely. The rain could be heavy at times. Cloudy, with a high near 82. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 73.
Monday
A chance of showers. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:05 am ChST Oct 13, 2026
Forecast Valid:
6am ChST Oct 13, 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