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.

Heavy Rain

82°F

28°C

Humidity 85%
Wind Speed SE 10 G 20 mph
Barometer 29.82 in (1008.8 mb)
Dewpoint 77°F (25°C)
Visibility 3.00 mi
Heat Index90°F (32°C)
Last update 19 Jun 4:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Juneteenth

    Juneteenth: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind around 11 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers. Partly sunny, with a high near 88. Southeast wind 8 to 13 mph.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 77. South southeast wind 6 to 8 mph.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Partly sunny, with a high near 88. South southeast wind 6 to 8 mph.

    High: 88 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 77.

    Low: 77 °F

    Isolated
    Showers

  • Monday

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

    High: 88 °F

    Isolated
    Showers

  • Monday Night

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

    Low: 77 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon. Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Juneteenth
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind around 11 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 9 to 11 mph. Chance of precipitation is 30%.
Saturday
Isolated showers. Partly sunny, with a high near 88. Southeast wind 8 to 13 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 77. South southeast wind 6 to 8 mph.
Sunday
Isolated showers. Partly sunny, with a high near 88. South southeast wind 6 to 8 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 77.
Monday
Isolated showers. Partly sunny, with a high near 88.
Monday Night
Mostly cloudy, with a low around 77.
Tuesday
A chance of showers after noon. Partly sunny, with a high near 88.
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 77.
Thursday
Partly sunny, with a high near 88.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 79.
Friday
Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
4:51 pm ChST Jun 19, 2026
Forecast Valid:
5pm ChST Jun 19, 2026-6pm ChST Jun 26, 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