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2026 NOAA-NWS Western North Pacific Tropical Cyclone Outlook

Current conditions at

Guam International Airport (PGUM)

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

Light Rain

83°F

28°C

Humidity	82%
Wind Speed	SW 3 mph
Barometer	29.77 in (1007.2 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	13 Sep 11:54 am ChST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Guam

Today

Partly cloudy with isolated light showers in the morning, becoming partly sunny with scattered island effect showers and isolated thunderstorms in the afternoon. Light and variable winds. highs around 88. Chance of showers 30 percent.

Tonight

Partly cloudy with isolated light showers. Light and variable winds. Lows around 78. Chance of showers 10 percent.

Monday And Monday Night

Partly cloudy with isolated light showers becoming partly sunny with scattered island effect showers and isolated thunderstorms in the afternoon. Light and variable winds. highs around 87. Lows around 77. Chance of showers 30 percent.

Tuesday

Partly sunny with a 30 percent chance of showers and a slight chance of thunderstorms. Light and variable winds. Highs around 87.

Tuesday Night Through Wednesday Night

Mostly cloudy with a 30 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s.

Thursday Through Saturday

Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s.