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

82°F

28°C

Humidity 90%
Wind Speed W 12 mph
Barometer 29.68 in (1004.3 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 3 Aug 1:54 am ChST
Extended Forecast for

3 Miles E Santa Rosa GU

High Surf Advisory until August 8, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until August 8, 04:00pm

    NOW until 4:00pm Sat

    High Surf Advisory

  • Overnight

    Low: 77 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west wind 16 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers and
    Breezy

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west wind 18 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers and
    Breezy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West southwest wind 13 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

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

    Low: 77 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west wind 16 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west wind 18 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West southwest wind 13 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Thursday
Partly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 82.
Friday Night
A chance of showers. Mostly cloudy, with a low around 79.
Saturday
A chance of showers. Mostly cloudy, with a high near 82. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 79.
Sunday
A chance of showers. Partly sunny, with a high near 81. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Santa Rosa GU
 13.4°N 144.72°E
Last Update:
1:58 am ChST Aug 3, 2026
Forecast Valid:
2am ChST Aug 3, 2026-6pm ChST Aug 9, 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