Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

85°F

29°C

Humidity 61%
Wind Speed Calm
Barometer 29.91 in (1012.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Apr 9:54 am ChST
Extended Forecast for

Sinajana GU

  • Today

    Today: Isolated showers.  Mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers.  Partly cloudy, with a low around 77. Northeast wind 3 to 5 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers.  Mostly sunny, with a high near 88. Northeast wind 5 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 76. Northeast wind 6 to 8 mph.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 88. East northeast wind 5 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Thursday Night

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

    Low: 76 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 87. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
Isolated showers. Partly cloudy, with a low around 77. Northeast wind 3 to 5 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind 5 to 9 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 76. Northeast wind 6 to 8 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East northeast wind 5 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Partly sunny, with a high near 88.
Thursday Night
Mostly 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
6:06 am ChST Apr 20, 2026
10am ChST Apr 20, 2026-6pm ChST Apr 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database