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.

Fair

83°F

28°C

Humidity 82%
Wind Speed E 7 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 25 Jul 8:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. East southeast wind 5 to 7 mph.

    Low: 76 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Partly sunny, with a high near 87. East southeast wind 6 to 9 mph.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Mostly cloudy, with a low around 77. East wind 7 to 10 mph.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 10 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 76. East wind 5 to 10 mph becoming light. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

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

    Low: 77 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 76. East southeast wind 5 to 7 mph.
Sunday
Isolated showers. Partly sunny, with a high near 87. East southeast wind 6 to 9 mph.
Sunday Night
Isolated showers. Mostly cloudy, with a low around 77. East wind 7 to 10 mph.
Monday
Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 10 mph.
Monday Night
Scattered showers. Mostly cloudy, with a low around 76. East wind 5 to 10 mph becoming light. Chance of precipitation is 40%.
Tuesday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 77.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 78.
Thursday
Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 78.
Friday
A chance of showers. Partly sunny, with a high near 88.
Friday Night
A chance of showers. Mostly cloudy, with a low around 78.
Saturday
A chance of showers. Partly 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 pm ChST Jul 25, 2026
Forecast Valid:
9pm ChST Jul 25, 2026-6pm ChST Aug 1, 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