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.

Fair

82°F

28°C

Humidity 85%
Wind Speed W 18 G 29 mph
Barometer 29.68 in (1004.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Aug 4:54 pm ChST
Extended Forecast for

Santa Rosa GU

High Surf Advisory August 3, 05:47pm until August 8, 04:00pm
Wind Advisory August 3, 05:47pm until August 5, 06:00am
Click here for hazard details and duration
High Surf Advisory
Wind Advisory
  •  
    High Surf Advisory August 3, 05:47pm until August 8, 04:00pm
    Wind Advisory August 3, 05:47pm until August 5, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 83 °F

    Scattered
    Showers and
    Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west wind 20 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    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 26 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers and
    Breezy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a steady temperature around 83. Breezy, with a west wind around 23 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west wind 20 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. West southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Mostly cloudy, with a low around 79.
Saturday
A chance of showers. Partly sunny, with a high near 83.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 79.
Sunday
A chance of showers. Partly sunny, with a high near 83.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 79.
Monday
A chance of showers. Partly sunny, with a high near 84. Breezy.
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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:
3:06 pm ChST Aug 3, 2026
Forecast Valid:
5pm ChST Aug 3, 2026-6pm ChST Aug 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