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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

78°F

26°C

Humidity	93%
Wind Speed	Calm
Barometer	29.91 in (1012.1 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	12 Oct 12:54 am ChST

More Information:

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

Detailed forecast for

Guam

Tonight

Partly cloudy with isolated showers. Northwest winds around 10 mph in the evening becoming light. Lows around 79. Chance of showers 20 percent.

Columbus Day

Partly cloudy with isolated showers. Northwest wind 5 mph. Highs around 87. Chance of showers 20 percent.

Monday Night

Partly cloudy with isolated showers. Light and variable winds. Lows around 77. Chance of showers 20 percent.

Tuesday

Partly sunny with isolated showers becoming scattered island effect showers by noon. Light and variable winds. Highs around 87. Chance of showers 30 percent.

Tuesday Night And Wednesday

Partly cloudy with isolated showers. Light and variable winds. Lows around 78. Highs around 87. Chance of showers 20 percent.

Wednesday Night Through Friday

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

Friday Night

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

Saturday

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

Saturday Night

Breezy. Mostly cloudy with a 50 percent chance of showers and a slight chance of thunderstorms. Locally heavy showers possible. Lows in the mid 70s.

Sunday

Breezy. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Locally heavy showers possible. Highs in the mid 80s. Chance of showers 50 percent.