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.

Mostly Cloudy

88°F

31°C

Humidity 66%
Wind Speed E 10 mph
Barometer 29.78 in (1007.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 7 Dec 2:54 pm ChST
Extended Forecast for

Sinajana GU

High Surf Advisory December 7, 03:28pm until December 7, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory December 7, 03:28pm until December 7, 04:00pm

    NOW until 4:00pm Sun

    High Surf Advisory

  • Tonight

    Low: 78 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers. Partly sunny, with a high near 88. East northeast wind 7 to 10 mph.

    High: 88 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 87. East wind 7 to 10 mph.

    High: 87 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 7 to 10 mph.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

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

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

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

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 78. Northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Monday
Isolated showers. Partly sunny, with a high near 88. East northeast wind 7 to 10 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 87. East wind 7 to 10 mph.
Tuesday Night
Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 7 to 10 mph.
Wednesday
Isolated showers. 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.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
Last Update:
2:24 pm ChST Dec 7, 2025
Forecast Valid:
3pm ChST Dec 7, 2025-6pm ChST Dec 14, 2025
 
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