Current conditions at

Guam International Airport (PGUM)

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

Fog/Mist

82°F

28°C

Humidity 88%
Wind Speed NE 3 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 78°F (26°C)
Visibility 5.00 mi
Heat Index91°F (33°C)
Last update 18 Jun 7:54 am ChST
Detailed forecast for

Guam

Today
Partly sunny. Scattered showers and isolated thunderstorms. Northeast winds 10 to 15 mph. Highs around 87. Chance of showers 50 percent.
Tonight
Mostly cloudy with numerous locally heavy showers and isolated thunderstorms. East winds 10 to 15 mph for rota, tinian, and saipan. Variable winds 5 mph for guam. Gusts of 25 mph possible with heavier showers and thunderstorms. Lows around 78. Chance of showers 60 percent.
Juneteenth
Mostly cloudy with numerous locally heavy showers and isolated thunderstorms. Southeast winds 10 to 15 mph. Gusts of 25 mph possible with heavier showers and thunderstorms. Highs around 86. chance of showers 60 percent.
Friday Night And Saturday
Mostly cloudy. Scattered showers and isolated thunderstorms. South winds 10 to 15 mph. Lows around 78. Highs around 88. Chance of showers 40 percent.
Saturday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s.
Sunday Through Wednesday
Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s.





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400 AM ChST Thu Jun 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database