Current conditions at

Guam International Airport (PGUM)

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

Partly Cloudy

84°F

29°C

Humidity 74%
Wind Speed E 9 mph
Barometer 29.82 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 29 Sep 3:54 pm ChST
Detailed forecast for

Guam

Tonight
Mostly cloudy with scattered showers and isolated thunderstorms. Light and variable winds becoming northeast around 10 mph after midnight. Lows around 77. Chance of showers 30 percent.
Tuesday
Partly sunny with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Highs around 87. Chance of showers 40 percent.
Tuesday Night
Mostly cloudy with isolated showers and thunderstorms. Light and variable winds. Lows around 77. Chance of showers 20 percent.
Wednesday
Partly sunny with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Highs around 87. Chance of showers 30 percent.
Wednesday Night And Thursday
Mostly cloudy. Isolated showers. East winds around 10 mph. Lows around 78. Highs around 87. Chance of showers 20 percent.
Thursday Night Through Friday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. Highs in the upper 80s.
Saturday
Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s.
Saturday Night And Sunday
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. Highs in the upper 80s.
Sunday Night
Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s.
Monday
Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s.



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300 PM ChST Mon Sep 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database