Current conditions at

Guam International Airport (PGUM)

Lat: 13.48° N Lon: 144.8° E Elev: 304 ft.

Fair

80°F

27°C

Humidity 87%
Wind Speed Calm
Barometer 29.92 in (1012.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Sep 11:54 pm ChST
Detailed forecast for

Guam

Tonight
Mostly cloudy, becoming cloudy before midnight. Scattered showers and isolated thunderstorms. Locally heavy showers possible. east winds 5 to 15 mph. Gusts to 25 mph possible at tinian and saipan. Lows around 76. Chance of showers 40 percent.
Sunday
Partly sunny with isolated showers. East wind 10 to 15 mph. Highs near 88. Chance of showers 20 percent.
Sunday Night Through Tuesday
Mostly cloudy with scattered showers. East winds 10 to 15 mph. Lows around 78. Highs near 88. Chance of showers 30 percent.
Tuesday Night Through Thursday
Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s.
Thursday Night Through Saturday
Mostly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s.



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503 PM ChST Sat Sep 6 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database