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

83°F

28°C

Humidity 79%
Wind Speed W 9 mph
Barometer 29.82 in (1008.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 30 Sep 6:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 78. West wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Mostly cloudy, with a high near 87. West wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 86. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 77. Breezy, with a west southwest wind 20 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Breezy. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 77. Breezy.

    Low: 77 °F

    Chance
    Showers and
    Breezy

  • Sunday

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

    High: 87 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

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

    Low: 78 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 78. West wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly cloudy, with a high near 87. West wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 86. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 77. Breezy, with a west southwest wind 20 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Saturday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Breezy. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 77. Breezy.
Sunday
A chance of showers. Partly sunny, with a high near 87. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 78. Breezy.
Monday
Partly sunny, with a high near 87. Breezy.
Monday Night
Mostly cloudy, with a low around 78. Breezy.
Tuesday
Partly sunny, with a high near 88. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 79.
Wednesday
A chance of showers. Partly sunny, with a high near 84.
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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 pm ChST Sep 30, 2026
Forecast Valid:
7pm ChST Sep 30, 2026-6pm ChST Oct 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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