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.

Overcast

86°F

30°C

Humidity 72%
Wind Speed E 9 mph
Barometer 29.84 in (1009.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 13 Jun 3:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 7 mph.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 87. East wind 6 to 8 mph.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 7 mph.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 88. East wind 6 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 5 to 8 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Partly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

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

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 7 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 87. East wind 6 to 8 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 7 mph.
Monday
Isolated showers. Mostly sunny, with a high near 88. East wind 6 to 9 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 5 to 8 mph.
Tuesday
Isolated showers. Partly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 78.
Juneteenth
A chance of showers. Partly sunny, with a high near 87.
Friday Night
Mostly cloudy, with a low around 78.
Saturday
Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
11:35 am ChST Jun 13, 2026
Forecast Valid:
3pm ChST Jun 13, 2026-6pm ChST Jun 20, 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