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

86°F

30°C

Humidity 75%
Wind Speed S 3 mph
Barometer 29.84 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 19 Jul 9:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 87. Southwest wind around 7 mph.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 75. South wind 3 to 7 mph.

    Low: 75 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 86. South southeast wind 5 to 9 mph.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. Southeast wind 3 to 8 mph.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 86. East southeast wind 5 to 7 mph.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 86.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 87. Southwest wind around 7 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 75. South wind 3 to 7 mph.
Monday
Isolated showers. Mostly sunny, with a high near 86. South southeast wind 5 to 9 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 75. Southeast wind 3 to 8 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 86. East southeast wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 76.
Thursday
A chance of showers. Mostly cloudy, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 76.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
A chance of showers. Mostly cloudy, 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:
6:05 am ChST Jul 19, 2026
Forecast Valid:
10am ChST Jul 19, 2026-6pm ChST Jul 25, 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