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

80°F

27°C

Humidity 90%
Wind Speed NE 3 mph
Barometer 29.95 in (1013.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Jun 9:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 77. East wind around 7 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 88. East wind 8 to 13 mph.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 78. East wind 7 to 10 mph.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

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

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

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

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 77. East wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 30%.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East wind 8 to 13 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 7 to 10 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
3:48 pm ChST Jun 8, 2026
Forecast Valid:
10pm ChST Jun 8, 2026-6pm ChST Jun 15, 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