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

84°F

29°C

Humidity 80%
Wind Speed E 8 mph
Barometer 29.83 in (1007.0 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Jul 8:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Scattered showers. Partly sunny, with a high near 86. South southeast wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 75. South southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 86. Light east wind becoming east southeast 5 to 9 mph in the morning.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Mostly cloudy, with a low around 75. East southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 75 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 87. East southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 76 °F

    Chance
    Showers

  • Friday

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

    High: 86 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers. Partly sunny, with a high near 86. South southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 75. South southeast wind 5 to 8 mph becoming calm after midnight.
Tuesday
Isolated showers. Mostly sunny, with a high near 86. Light east wind becoming east southeast 5 to 9 mph in the morning.
Tuesday Night
Isolated showers. Mostly cloudy, with a low around 75. East southeast wind 5 to 8 mph becoming calm after midnight.
Wednesday
Scattered showers. Partly sunny, with a high near 87. East southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 76.
Friday
A chance of showers. Mostly cloudy, with a high near 86.
Friday Night
A chance of showers. Mostly cloudy, with a low around 76.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 79.
Sunday
A chance of showers. Partly sunny, with a high near 84.
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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 am ChST Jul 20, 2026
Forecast Valid:
9am ChST Jul 20, 2026-6pm ChST Jul 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