National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

82°F

28°C

Humidity 82%
Wind Speed Calm
Barometer 29.79 in (1007.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 1 Sep 4:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. West northwest wind around 7 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. West wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 13 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 16 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

  • Saturday

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

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. West northwest wind around 7 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. West wind 7 to 10 mph. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 13 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 16 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 77.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 75.
Sunday
A chance of showers. Partly sunny, with a high near 86.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 76.
Labor Day
Partly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 76.
Tuesday
Partly sunny, with a high near 86.
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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:
2:58 pm ChST Sep 1, 2026
Forecast Valid:
5pm ChST Sep 1, 2026-6pm ChST Sep 8, 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