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.

Mostly Cloudy

82°F

28°C

Humidity 82%
Wind Speed SW 14 G 22 mph
Barometer 29.72 in (1005.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Oct 1:54 am ChST
Extended Forecast for

Santa Rosa GU

Flood Watch October 4, 02:00am until October 5, 04:00am
High Surf Advisory October 4, 02:00am until October 5, 04:00pm
Wind Advisory October 4, 02:00am until October 4, 04:00am
Click here for hazard details and duration
Flood Watch
High Surf Advisory
Wind Advisory
  •  
    Flood Watch October 4, 02:00am until October 5, 04:00am
    High Surf Advisory October 4, 02:00am until October 5, 04:00pm
    Wind Advisory October 4, 02:00am until October 4, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 78 °F

    Scattered
    Showers and
    Breezy

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 87. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 78. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers and
    Breezy

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 87. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers and
    Breezy

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Cloudy, with a high near 86.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 87. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 78. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 87. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Wednesday
Showers likely. Cloudy, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Mostly cloudy, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 78.
Friday
Partly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 78.
Saturday
Partly sunny, with a high near 86.
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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:
9:00 pm ChST Oct 3, 2026
Forecast Valid:
2am ChST Oct 4, 2026-6pm ChST Oct 10, 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