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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.

Fair

80°F

27°C

Humidity	94%
Wind Speed	Calm
Barometer	29.88 in (1011.1 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	28 Sep 7:54 pm ChST

More Information:

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

Detailed forecast for

Guam

Tonight

Mostly cloudy. Isolated showers. Light and variable winds. Lows around 78. Chance of showers 20 percent.

Tuesday

Partly cloudy with isolated showers, becoming scattered before noon. Light and variable winds becoming west around 10 mph in the afternoon. Highs near 88. Chance of showers 30 percent.

Tuesday Night

Partly cloudy with isolated showers. Light and variable winds. Lows around 78. Chance of showers 20 percent.

Wednesday Through Thursday

Mostly cloudy with scattered showers and isolated thunderstorms. West winds 10 to 15 mph. Highs around 87. Lows around 78. Chance of showers 40 percent.

Thursday Night

Mostly cloudy with a 40 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s.

Friday Through Saturday

Breezy. Cloudy with showers likely and a slight chance of thunderstorms. Highs in the mid 80s. Lows in the upper 70s. Chance of showers 60 percent.

Saturday Night Through Monday

Breezy. Mostly cloudy with a 50 percent chance of showers and a slight chance of thunderstorms. lows in the upper 70s. Highs in the upper 80s.