Current conditions at

Guam International Airport (PGUM)

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

Partly Cloudy

87°F

31°C

Humidity 72%
Wind Speed SE 8 mph
Barometer 29.87 in (1010.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 21 Jun 12:54 pm ChST
Detailed forecast for

Guam

Today
Partly sunny with scattered showers. Light and variable winds. Highs near 88. Chance of showers 30 percent.
Tonight
Partly cloudy with isolated showers. Light and variable winds. Lows around 79. Chance of showers 20 percent.
Monday
Partly cloudy. Isolated showers in the morning, becoming scattered showers and isolated thunderstorms in the afternoon. Light and variable winds. Highs around 88. Chance of showers 30 percent.
Monday Night
Mostly cloudy with isolated showers. Light and variable winds. Lows around 79. Chance of showers 20 percent.
Tuesday
Partly cloudy. Isolated showers in the morning, becoming scattered in the afternoon. Isolated thunderstorms. Light and variable winds. Highs around 88.
Tuesday Night Through Wednesday Night
Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s.
Thursday And Thursday Night
Mostly cloudy with a 30 percent chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s.
Friday And Friday Night
Mostly cloudy. A 20 percent chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 70s.
Saturday
Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s.



Basemap Options
Click map to change the forecast location
Loading map...
359 AM ChST Sun Jun 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database