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

84°F

29°C

Humidity 77%
Wind Speed W 9 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 12 Oct 8:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Columbus Day

    Columbus Day: Isolated showers. Mostly sunny, with a high near 87. West northwest wind around 6 mph.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. West northwest wind around 5 mph becoming calm in the evening.

    Low: 76 °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 77. Calm wind.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

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

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

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

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly 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 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
Isolated showers. Mostly sunny, with a high near 87. West northwest wind around 6 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 76. West northwest wind around 5 mph becoming calm in the evening.
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 77. Calm wind.
Wednesday
Isolated showers. Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 87.
Friday Night
A chance of showers. Mostly cloudy, with a low around 74.
Saturday
A chance of showers. Partly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 75. Breezy.
Sunday
A chance of showers. Partly sunny, with a high near 85. Breezy.
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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 12, 2026
Forecast Valid:
9am ChST Oct 12, 2026-6pm ChST Oct 18, 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