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.

A Few Clouds

27°C

81°F

Humidity 85%
Wind Speed SE 7 km/h
Barometer 1010.5 mb (29.86 in)
Dewpoint 24°C (76°F)
Visibility 16 km
Heat Index31°C (87°F)
Last update 4 Jul 5:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Independence Day

    Independence Day: Isolated showers. Mostly sunny, with a high near 30. East southeast wind 8 to 14 km/h.

    High: 30 °C

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 26. East southeast wind 8 to 13 km/h. Chance of precipitation is 30%.

    Low: 26 °C

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 30. South southeast wind 8 to 10 km/h. Chance of precipitation is 30%.

    High: 30 °C

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 40%.

    Low: 26 °C

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 30. South wind 5 to 10 km/h. Chance of precipitation is 40%.

    High: 30 °C

    Scattered
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 26.

    Low: 26 °C

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Partly sunny, with a high near 30.

    High: 30 °C

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 26.

    Low: 26 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 30.

    High: 30 °C

    Chance
    Showers

Detailed Forecast

Independence Day
Isolated showers. Mostly sunny, with a high near 30. East southeast wind 8 to 14 km/h.
Tonight
Scattered showers. Mostly cloudy, with a low around 26. East southeast wind 8 to 13 km/h. Chance of precipitation is 30%.
Saturday
Scattered showers. Partly sunny, with a high near 30. South southeast wind 8 to 10 km/h. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 40%.
Sunday
Scattered showers. Partly sunny, with a high near 30. South wind 5 to 10 km/h. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 26.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 30.
Monday Night
A chance of showers. Mostly cloudy, with a low around 26.
Tuesday
A chance of showers. Partly sunny, with a high near 30.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 26.
Wednesday
A chance of showers. Partly sunny, with a high near 30.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 26.
Thursday
A chance of showers. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:05 pm ChST Jul 3, 2025
Forecast Valid:
6am ChST Jul 4, 2025-6pm ChST Jul 10, 2025
 
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