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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Rain Fog/Mist

78°F

26°C

Humidity 93%
Wind Speed E 7 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 76°F (24°C)
Visibility 4.00 mi
Heat Index81°F (27°C)
Last update 7 Jan 7:54 pm ChST
Extended Forecast for

Agana GU

High Surf Advisory January 7, 08:56pm until January 8, 04:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory January 7, 08:56pm until January 8, 04:00am

    NOW until 4:00am Thu

    High Surf Advisory

  • Tonight

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers. Partly sunny, with a high near 87. East northeast wind 11 to 16 mph, with gusts as high as 20 mph.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 76. Northeast wind 11 to 13 mph.

    Low: 76 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 89. Northeast wind 13 to 18 mph, with gusts as high as 23 mph.

    High: 89 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 76. Northeast wind 14 to 20 mph, with gusts as high as 24 mph.

    Low: 76 °F

    Isolated
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 77. East northeast wind 11 to 14 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 87. East northeast wind 11 to 16 mph, with gusts as high as 20 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 76. Northeast wind 11 to 13 mph.
Friday
Isolated showers. Mostly sunny, with a high near 89. Northeast wind 13 to 18 mph, with gusts as high as 23 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 76. Northeast wind 14 to 20 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
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:
Agana GU
 13.47°N 144.74°E
Last Update:
6:05 pm ChST Jan 7, 2026
Forecast Valid:
8pm ChST Jan 7, 2026-6pm ChST Jan 14, 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