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.

Rain Fog/Mist

76°F

24°C

Humidity 94%
Wind Speed N 10 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Heat Index76°F (24°C)
Last update 9 Sep 7:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Scattered showers and thunderstorms. Partly sunny, with a high near 86. North wind around 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 78. North northeast wind 5 to 9 mph.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 86. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 77. Northeast wind 5 to 7 mph.

    Low: 77 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88. Northeast wind around 6 mph.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

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

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms. Partly sunny, with a high near 86. North wind around 9 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 78. North northeast wind 5 to 9 mph.
Thursday
Scattered showers. Partly sunny, with a high near 86. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind 5 to 7 mph.
Friday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
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 9, 2026
Forecast Valid:
8am ChST Sep 9, 2026-6pm ChST Sep 15, 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