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.

A Few Clouds

77°F

25°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in (1012.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Sep 12:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

    Overnight: Partly cloudy, with a low around 78. North wind around 6 mph.

    Low: 78 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Scattered showers and thunderstorms after noon. Partly sunny, with a high near 86. North wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 78. North wind 6 to 9 mph.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 86. North northeast wind 6 to 9 mph.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

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

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 77 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. North wind around 6 mph.
Labor Day
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 86. North wind 7 to 9 mph. Chance of precipitation is 30%.
Monday Night
Isolated showers. Partly cloudy, with a low around 78. North wind 6 to 9 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 86. North northeast wind 6 to 9 mph.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. North wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 88.
Friday Night
A chance of showers. Mostly cloudy, with a low around 77.
Saturday
A chance of showers. Partly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 88.
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:
6:06 pm ChST Sep 6, 2026
Forecast Valid:
1am ChST Sep 7, 2026-6pm ChST Sep 13, 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