Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

83°F

28°C

Humidity 82%
Wind Speed E 7 mph
Barometer 29.89 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 2 Oct 8:09 am ChST
Extended Forecast for

Sinajana GU

  • Today

    Today: Isolated showers.  Mostly sunny, with a high near 87. East southeast wind 6 to 8 mph.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind becoming east southeast around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Isolated showers.  Partly cloudy, with a low around 77. Light south wind.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: A chance of showers between 10am and 4pm.  Partly sunny, with a high near 87. Calm wind.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers between 10am and 4pm.  Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 87. East southeast wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 88. Calm wind becoming east southeast around 6 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 77. Light south wind.
Saturday
A chance of showers between 10am and 4pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 77.
Sunday
A chance of showers between 10am and 4pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 77.
Monday
Partly sunny, with a high near 87.
Monday Night
A chance of showers. Mostly cloudy, with a low around 77.
Tuesday
A chance of showers. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Wednesday
A chance of showers. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
6:05 am ChST Oct 2, 2025
8am ChST Oct 2, 2025-6pm ChST Oct 8, 2025
 
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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