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

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

84°F

29°C

Humidity 80%
Wind Speed NE 15 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 14 Nov 4:54 pm ChST
Extended Forecast for

Sinajana GU

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Sunday Night

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

    Low: 76 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 89. East wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 89 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. East northeast wind 8 to 11 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday
Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 8 to 11 mph.
Monday
Isolated showers. Mostly sunny, with a high near 89. East wind 10 to 14 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 77. East northeast wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 89.
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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:
6:05 am ChST Nov 14, 2026
Forecast Valid:
5pm ChST Nov 14, 2026-6pm ChST Nov 21, 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