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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

81°F

27°C

Humidity 82%
Wind Speed E 12 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Jan 7:54 am ChST
Extended Forecast for

3 Miles S Agat GU

High Surf Advisory January 11, 08:37am until January 13, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory January 11, 08:37am until January 13, 04:00pm

    NOW until 4:00pm Tue

    High Surf Advisory

  • Today

    High: 86 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Mostly cloudy, with a low around 78. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Partly sunny, with a high near 86. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 78. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 85. East northeast wind 14 to 18 mph, with gusts as high as 24 mph.

    High: 85 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers. Partly sunny, with a high near 86. East wind around 15 mph, with gusts as high as 18 mph.
Tonight
Isolated showers. Mostly cloudy, with a low around 78. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.
Monday
Isolated showers. Partly sunny, with a high near 86. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 78. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 85. East northeast wind 14 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 78.
Friday
Partly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Agat GU
 13.33°N 144.67°E
Last Update:
6:05 am ChST Jan 11, 2026
Forecast Valid:
8am ChST Jan 11, 2026-6pm ChST Jan 17, 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