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

79°F

26°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 29.92 in (1012.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 8 Jul 10:54 pm ChST
Extended Forecast for

Santa Rosa GU

High Surf Advisory until July 9, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until July 9, 04:00pm

    NOW until 4:00pm Thu

    High Surf Advisory

  • Overnight

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 87. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. North northeast wind 6 to 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 88. Northeast wind 6 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 77. North northeast wind 7 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 87. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 76. North northeast wind 6 to 8 mph.
Friday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind 6 to 9 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 77. North northeast wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 79.
Sunday
A chance of showers. Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 81.
Tuesday
A chance of showers. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 79.
Wednesday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
10:14 pm ChST Jul 8, 2026
Forecast Valid:
1am ChST Jul 9, 2026-6pm ChST Jul 15, 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