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.

A Few Clouds

81°F

27°C

Humidity 82%
Wind Speed E 10 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Jan 11:54 pm ChST
Extended Forecast for

Agana Heights GU

High Surf Advisory January 12, 12:46am until January 13, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory January 12, 12:46am until January 13, 04:00pm

    NOW until 4:00pm Tue

    High Surf Advisory

  • Overnight

    Low: 76 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 86. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 10 to 16 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 86. East northeast wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 10 to 17 mph, with gusts as high as 22 mph.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Partly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 76. East wind around 10 mph.
Monday
Scattered showers. Partly sunny, with a high near 86. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 10 to 16 mph, with gusts as high as 21 mph.
Tuesday
Scattered showers. Partly sunny, with a high near 86. East northeast wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 10 to 17 mph, with gusts as high as 22 mph.
Wednesday
Isolated showers. Partly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 86.
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 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
Last Update:
6:05 pm ChST Jan 11, 2026
Forecast Valid:
12am ChST Jan 12, 2026-6pm ChST Jan 18, 2026
 
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