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

81°F

27°C

Humidity 88%
Wind Speed NE 6 mph
Barometer 29.85 in (1010.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 24 Jul 10:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 76. East wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after 10am. Mostly sunny, with a high near 87. East southeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 76. Calm wind becoming east southeast 5 to 7 mph in the evening.

    Low: 76 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 87. Southeast wind 6 to 9 mph.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Monday

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

    High: 88 °F

    Isolated
    Showers

  • Monday Night

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

    Low: 76 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 76. East wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, mainly after 10am. Mostly sunny, with a high near 87. East southeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 30%.
Saturday Night
Isolated showers. Partly cloudy, with a low around 76. Calm wind becoming east southeast 5 to 7 mph in the evening.
Sunday
Isolated showers. Mostly sunny, with a high near 87. Southeast wind 6 to 9 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.
Monday
Isolated showers. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 76.
Tuesday
A chance of showers. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Wednesday
A chance of showers. 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
Mostly 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:
6:06 pm ChST Jul 24, 2026
Forecast Valid:
11pm ChST Jul 24, 2026-6pm ChST Jul 31, 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