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

80°F

27°C

Humidity 90%
Wind Speed Calm
Barometer 29.87 in (1010.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 1 Jul 3:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

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

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 88. East wind 8 to 10 mph.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 78. East northeast wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 87. East northeast wind 7 to 9 mph.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 78. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Friday

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

    High: 88 °F

    Isolated
    Showers

  • Friday Night

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

    Low: 78 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 77 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 77. East wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East wind 8 to 10 mph.
Wednesday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 78. East northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Mostly sunny, with a high near 87. East northeast wind 7 to 9 mph.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 78. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Isolated showers. Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 78.
Independence Day
A chance of showers. Mostly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 77.
Sunday
A chance of showers. Partly sunny, with a high near 88.
Sunday Night
Showers likely. The rain could be heavy at times. Cloudy, with a low around 77.
Monday
Showers likely. The rain could be heavy at times. Cloudy, with a high near 86. Breezy.
Monday Night
A chance of showers. Mostly cloudy, with a low around 77. Breezy.
Tuesday
A chance of showers. Partly sunny, with a high near 85. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:07 pm ChST Jun 30, 2026
Forecast Valid:
4am ChST Jul 1, 2026-6pm ChST Jul 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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