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.

Fair

84°F

29°C

Humidity 74%
Wind Speed NE 7 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 14 Jun 7:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 6 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 88. East northeast wind 6 to 8 mph.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

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

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

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

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

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

    Low: 77 °F

    Partly Cloudy

  • Thursday

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

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 9 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 6 to 9 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 88. East northeast wind 6 to 8 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 8 mph.
Wednesday
Isolated showers. 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
Mostly cloudy, with a low around 78.
Juneteenth
Mostly sunny, with a high near 87.
Friday Night
Mostly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Partly sunny, with a high near 87.
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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 Jun 14, 2026
Forecast Valid:
8pm ChST Jun 14, 2026-6pm ChST Jun 21, 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