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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed NE 6 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Apr 9:54 pm ChST
Extended Forecast for

Dededo GU

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Northeast wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 88. East northeast wind 6 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 76. East northeast wind 6 to 9 mph.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 88. East northeast wind 8 to 13 mph.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 76. East northeast wind 8 to 11 mph.

    Low: 76 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 76.

    Low: 76 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. Northeast wind around 5 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 88. East northeast wind 6 to 9 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 76. East northeast wind 6 to 9 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East northeast wind 8 to 13 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 76. East northeast wind 8 to 11 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Partly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 76.
Saturday
Partly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 76.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 76.
Monday
Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dededo GU
 13.52°N 144.83°E
Last Update:
6:06 pm ChST Apr 20, 2026
Forecast Valid:
10pm ChST Apr 20, 2026-6pm ChST Apr 27, 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