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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

78°F

26°C

Humidity 82%
Wind Speed E 3 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Jan 2:54 am ChST
Extended Forecast for

Dededo GU

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 76. East southeast wind around 5 mph.

    Low: 76 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 86. East northeast wind 3 to 8 mph.

    High: 86 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 77. Northeast wind 8 to 10 mph.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Partly sunny, with a high near 86. Northeast wind 11 to 14 mph, with gusts as high as 18 mph.

    High: 86 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 77. Northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

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

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 76. East southeast wind around 5 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 86. East northeast wind 3 to 8 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind 8 to 10 mph.
Sunday
Isolated showers. Partly sunny, with a high near 86. Northeast wind 11 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 77. Northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dededo GU
 13.52°N 144.83°E
Last Update:
10:13 pm ChST Jan 2, 2026
Forecast Valid:
3am ChST Jan 3, 2026-6pm ChST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation