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.

Light Rain Fog/Mist

78°F

26°C

Humidity 93%
Wind Speed E 7 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 76°F (24°C)
Visibility 4.00 mi
Heat Index81°F (27°C)
Last update 7 Jan 8:54 pm ChST
Extended Forecast for

2 Miles SW Maina GU

High Surf Advisory January 7, 09:14pm until January 8, 04:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory January 7, 09:14pm until January 8, 04:00am

    NOW until 4:00am Thu

    High Surf Advisory

  • Tonight

    Low: 75 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers. Partly sunny, with a high near 85. East northeast wind 11 to 15 mph, with gusts as high as 18 mph.

    High: 85 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 11 mph.

    Low: 77 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88. Northeast wind 13 to 18 mph, with gusts as high as 23 mph.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 77. Northeast wind 14 to 20 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Breezy.

    High: 88 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

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

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 85. East northeast wind 11 to 15 mph, with gusts as high as 18 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 11 mph.
Friday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind 13 to 18 mph, with gusts as high as 23 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind 14 to 20 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 88. Breezy.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Maina GU
 13.45°N 144.74°E
Last Update:
6:05 pm ChST Jan 7, 2026
Forecast Valid:
9pm ChST Jan 7, 2026-6pm ChST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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