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.

Light Rain

78°F

26°C

Humidity 90%
Wind Speed W 5 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 6 Sep 12:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind around 9 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 78. North wind 6 to 8 mph.

    Low: 78 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Isolated showers. Mostly sunny, with a high near 86. North wind 7 to 9 mph.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 78. North wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 86. North northeast wind 8 to 10 mph.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind around 9 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 78. North wind 6 to 8 mph.
Labor Day
Isolated showers. Mostly sunny, with a high near 86. North wind 7 to 9 mph.
Monday Night
Scattered showers. Mostly cloudy, with a low around 78. North wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers. Mostly sunny, with a high near 86. North northeast wind 8 to 10 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 88.
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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 Sep 6, 2026
Forecast Valid:
1pm ChST Sep 6, 2026-6pm ChST Sep 12, 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