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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.

Partly Cloudy

87°F

31°C

Humidity	72%
Wind Speed	SW 12 mph
Barometer	29.78 in (1007.4 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	16 Jul 3:54 pm 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 and thunderstorms. Southwest winds 10 to 15 mph. Lows around 77. Chance of showers 20 percent.

Friday

Partly sunny with isolated showers and thunderstorms. Southwest winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent.

Friday Night

Mostly cloudy with isolated showers and thunderstorms. Southwest winds 10 to 15 mph. Lows around 77. Chance of showers 20 percent.

Saturday

Partly cloudy with isolated showers in the morning, mostly cloudy with island effect scattered showers and isolated thunderstorms in the afternoon. Southwest winds 10 to 15 mph. Highs around 87. Chance of showers 30 percent.

Saturday Night

Mostly cloudy with isolated showers. Southwest winds around 10 mph in the evening becoming light. Lows around 77. Chance of showers 20 percent.

Sunday

Partly cloudy with 20 percent chance of showers in the morning, mostly cloudy with 30 chance of island effect showers and a slight chance of thunderstorms in the afternoon. Light and variable winds. Highs around 87.

Sunday Night And Monday

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

Monday Night

Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s.

Tuesday

Partly sunny with a 40 percent chance of showers. Highs in the upper 80s.

Tuesday Night

Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s.

Wednesday Through Thursday

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