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2026 NOAA-NWS Western North Pacific Tropical Cyclone Outlook

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

81°F

27°C

Humidity	91%
Wind Speed	N 10 mph
Barometer	29.78 in (1007.7 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	17 Oct 6:54 am ChST

More Information:

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

Extended Forecast for

Santa Rosa GU

Typhoon Warning until further notice

Flood Watch October 17, 07:36am until October 18, 04:00pm

Coastal Flood Warning October 17, 05:00pm until October 19, 04:00am

High Surf Warning October 17, 05:00pm until October 19, 04:00am

Click here for hazard details and duration

Typhoon Warning until further notice

Flood Watch

Coastal Flood Warning

High Surf Warning

Typhoon Warning until further notice
Flood Watch October 17, 07:36am until October 18, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 84 °F
Heavy Rain
Tonight
Low: 76 °F
Heavy Rain
and Windy
Sunday
High: 84 °F
Heavy Rain
and Windy
Sunday Night
Low: 75 °F
Scattered
T-storms and
Windy
Monday
High: 83 °F
Chance
Showers and
Breezy
Monday Night
Low: 77 °F
Chance
Showers
Tuesday
High: 84 °F
Partly Sunny
Tuesday Night
Low: 79 °F
Partly Cloudy

Detailed Forecast

Today

Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 84. North wind 11 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

Tonight

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 76. Windy, with a north wind 22 to 32 mph increasing to 37 to 47 mph. Winds could gust as high as 60 mph. Chance of precipitation is 50%.

Sunday

Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then scattered showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. High near 84. Windy, with an east wind 75 to 85 mph becoming south southeast 37 to 47 mph. Winds could gust as high as 105 mph. Chance of precipitation is 100%.

Sunday Night

Scattered showers and thunderstorms before 11pm. Mostly cloudy, with a low around 75. Windy, with a south southeast wind 32 to 37 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 50%.

Monday

A 40 percent chance of showers. Partly sunny, with a high near 83. Breezy, with a south southeast wind 18 to 24 mph, with gusts as high as 31 mph.

Monday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 77.

Tuesday

Partly sunny, with a high near 84.

Tuesday Night

Partly cloudy, with a low around 79.

Wednesday

Mostly sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 77.