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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Mostly Cloudy

84°F

29°C

Humidity 70%
Wind Speed E 10 mph
Barometer 29.95 in (1013.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 6 Feb 10:54 am ChST
Extended Forecast for

Sinajana GU

  • Today

    Today: Mostly sunny, with a high near 87. East northeast wind 10 to 13 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 77. East wind 6 to 11 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 87. East wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 85. East wind 7 to 11 mph.

    High: 85 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

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

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. East northeast wind 10 to 13 mph.
Tonight
Scattered showers. Mostly cloudy, with a low around 77. East wind 6 to 11 mph. Chance of precipitation is 30%.
Saturday
Scattered showers. Partly sunny, with a high near 87. East wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 85. East wind 7 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
Last Update:
6:06 am ChST Feb 6, 2026
Forecast Valid:
11am ChST Feb 6, 2026-6pm ChST Feb 12, 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