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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

84°F

29°C

Humidity 77%
Wind Speed E 13 G 25 mph
Barometer 29.79 in (1007.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 5 Nov 8:54 am ChST
Extended Forecast for

Tamuning GU

Flood Watch until November 7, 04:00pm
High Surf Advisory November 5, 09:37am until November 7, 04:00pm
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    Flood Watch until November 7, 04:00pm
    High Surf Advisory November 5, 09:37am until November 7, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 87 °F

    Scattered
    Showers and
    Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 76. Breezy, with an east wind 18 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 76 °F

    Heavy Rain
    and Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. Breezy, with a southeast wind 21 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

    High: 87 °F

    Heavy Rain
    and Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 77. South southeast wind 14 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 77 °F

    Heavy Rain

  • Friday

    Friday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 15 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Friday Night

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

    Low: 77 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Breezy, with an east wind 16 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 76. Breezy, with an east wind 18 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. Breezy, with a southeast wind 21 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 77. South southeast wind 14 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 15 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 76.
Sunday
A chance of showers. Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 76.
Monday
A chance of showers. Partly sunny, with a high near 87.
Monday Night
Mostly cloudy, with a low around 76.
Veterans Day
A chance of showers. Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
Last Update:
6:05 pm ChST Nov 4, 2025
Forecast Valid:
9am ChST Nov 5, 2025-6pm ChST Nov 11, 2025
 
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