National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

86°F

30°C

Humidity 75%
Wind Speed E 14 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 6 Dec 1:54 pm ChST
Extended Forecast for

Sinajana GU

High Surf Advisory until December 7, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until December 7, 04:00pm

    NOW until 4:00pm Sun

    High Surf Advisory

  • This Afternoon

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 78. East northeast wind 7 to 9 mph.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 87. East wind 8 to 11 mph.

    High: 87 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 78. Northeast wind 7 to 9 mph.

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Partly sunny, with a high near 88. East northeast wind 8 to 10 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 87.

    High: 87 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 88. East wind 9 to 11 mph.
Tonight
Partly cloudy, with a low around 78. East northeast wind 7 to 9 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 87. East wind 8 to 11 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 78. Northeast wind 7 to 9 mph.
Monday
Isolated showers. Partly sunny, with a high near 88. East northeast wind 8 to 10 mph.
Monday Night
Isolated showers. Mostly cloudy, with a low around 77.
Tuesday
Isolated showers. Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly 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 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
Last Update:
1:41 pm ChST Dec 6, 2025
Forecast Valid:
2pm ChST Dec 6, 2025-6pm ChST Dec 12, 2025
 
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