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.

Partly Cloudy

81°F

27°C

Humidity 88%
Wind Speed S 13 G 22 mph
Barometer 29.75 in (1006.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 8 Jul 3:54 am ChST
Extended Forecast for

Santa Rosa GU

Coastal Flood Advisory July 8, 03:59am until July 8, 04:00pm
High Surf Warning July 8, 03:59am until July 9, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
High Surf Warning
  •  
    Coastal Flood Advisory July 8, 03:59am until July 8, 04:00pm
    High Surf Warning July 8, 03:59am until July 9, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 85. South wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. South wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. South wind around 6 mph becoming calm in the morning. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Mostly cloudy, with a low around 76. North northeast wind 3 to 6 mph.

    Low: 76 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Partly sunny, with a high near 89.

    High: 89 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. South southeast wind around 13 mph. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 85. South wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. South wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. South wind around 6 mph becoming calm in the morning. Chance of precipitation is 40%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 76. North northeast wind 3 to 6 mph.
Friday
Isolated showers. Partly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 79.
Monday
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 83.
Tuesday
A chance of showers. Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
2:58 am ChST Jul 8, 2026
Forecast Valid:
3am ChST Jul 8, 2026-6pm ChST Jul 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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