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.

Mostly Cloudy

84°F

29°C

Humidity 77%
Wind Speed Vrbl 3 mph
Barometer 29.88 in (1010.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 26 Sep 11:54 am ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Isolated showers. Partly 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 78. West northwest wind around 6 mph becoming calm in the evening.

    Low: 78 °F

    Isolated
    Showers

  • Sunday

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

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 87. Light west wind.

    High: 87 °F

    Isolated
    Showers

  • Monday Night

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

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Partly sunny, with a high near 87. West northwest wind around 6 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 78. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Scattered showers, mainly after noon. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 78. Calm wind.
Monday
Isolated showers. Mostly sunny, with a high near 87. Light west wind.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 85.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 76.
Friday
A chance of showers. Partly sunny, with a high near 85.
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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:
6:06 am ChST Sep 26, 2026
Forecast Valid:
12pm ChST Sep 26, 2026-6pm ChST Oct 2, 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