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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

85°F

29°C

Humidity	80%
Wind Speed	W 12 mph
Barometer	29.76 in (1006.8 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	31 Jul 4:54 pm ChST

More Information:

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

Detailed forecast for

Guam

Tonight

Mostly cloudy with scattered showers. West winds 10 to 15 mph. Lows around 78. Chance of showers 50 percent.

Saturday

Mostly cloudy with scattered showers. West winds 15 to 20 mph. Highs around 87. Chance of showers 40 percent.

Saturday Night

Mostly cloudy with scattered showers and isolated thunderstorms. West winds 10 to 15 mph. Lows around 77. Chance of showers 40 percent.

Sunday Through Monday

Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. West winds 20 to 25 mph with gusts up to 35 mph possible. Highs around 87. Lows around 77. Chance of showers 50 percent.

Monday Night And Tuesday

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

Tuesday Night Through Thursday

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

Thursday Night And Friday

Breezy. Mostly cloudy with a 40 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the upper 80s.