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

85°F

29°C

Humidity 77%
Wind Speed E 9 mph
Barometer 29.84 in (1009.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 27 Jun 5:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 76. East wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 13 mph.

    High: 88 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Partly sunny, with a high near 89. East wind 8 to 10 mph.

    High: 89 °F

    Partly Sunny
    then 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.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

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

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 77 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 76. East wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 13 mph.
Sunday Night
Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 89. East wind 8 to 10 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.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 77.
Thursday
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
Mostly cloudy, with a low around 77.
Independence Day
Partly 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:
6:06 pm ChST Jun 27, 2026
Forecast Valid:
6pm ChST Jun 27, 2026-6pm ChST Jul 4, 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