National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Overcast

77°F

25°C

Humidity 96%
Wind Speed NE 5 mph
Barometer 29.74 in (1006.4 mb)
Dewpoint 76°F (24°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 10 Oct 1:54 am ChST
Extended Forecast for

Santa Rosa GU

Flood Advisory until October 10, 06:30am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until October 10, 06:30am

    NOW until 6:30am Sat

    Flood Advisory

  • Overnight

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West northwest wind 6 to 13 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 86. West wind 6 to 8 mph.

    High: 86 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 78. Northwest wind 3 to 7 mph.

    Low: 78 °F

    Isolated
    Showers

  • Columbus Day

    Columbus Day: Isolated showers. Mostly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. South southwest wind around 9 mph. Chance of precipitation is 50%.
Saturday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West northwest wind 6 to 13 mph. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 86. West wind 6 to 8 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 78. Northwest wind 3 to 7 mph.
Columbus Day
Isolated showers. Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 79.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 79.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:05 pm ChST Oct 9, 2026
Forecast Valid:
2am ChST Oct 10, 2026-6pm ChST Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation