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

88°F

31°C

Humidity 66%
Wind Speed SE 7 mph
Barometer 29.79 in (1007.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 30 Jul 12:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 88. South southwest wind 9 to 11 mph.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Mostly cloudy, with a low around 78. South southwest wind 5 to 9 mph becoming calm after midnight.

    Low: 78 °F

    Isolated
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 88. Light south wind becoming west southwest 8 to 13 mph in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 78. West wind 7 to 13 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 88. West wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 88. Breezy.

    High: 88 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 88. Breezy.

    High: 88 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 88. South southwest wind 9 to 11 mph.
Tonight
Isolated showers. Mostly cloudy, with a low around 78. South southwest wind 5 to 9 mph becoming calm after midnight.
Friday
Scattered showers. Partly sunny, with a high near 88. Light south wind becoming west southwest 8 to 13 mph in the morning. Chance of precipitation is 30%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 78. West wind 7 to 13 mph. Chance of precipitation is 30%.
Saturday
Scattered showers. Partly sunny, with a high near 88. West wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 78.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 88. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 78.
Monday
A chance of showers. Mostly cloudy, with a high near 88. Breezy.
Monday Night
A chance of showers. Mostly cloudy, with a low around 78. Breezy.
Tuesday
A chance of showers. Mostly cloudy, with a high near 88. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 78. Breezy.
Wednesday
A chance of showers. Partly sunny, with a high near 88. 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:
6:05 am ChST Jul 30, 2026
Forecast Valid:
12pm ChST Jul 30, 2026-6pm ChST Aug 5, 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