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

84°F

29°C

Humidity 80%
Wind Speed N 7 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 3 Jul 7:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 88. North northeast wind around 7 mph.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 78. North wind around 7 mph.

    Low: 78 °F

    Isolated
    Showers

  • Independence Day

    Independence Day: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 87. North wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 77. North wind 10 to 14 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a north northwest wind 14 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms after 7pm. Some of the storms could produce heavy rainfall. Low around 74. Windy. Chance of precipitation is 80%.

    Low: 74 °F

    Heavy Rain
    and Breezy
    then
    Scattered
    Showers and
    Windy

  • Monday

    Monday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. Windy. Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers and
    Windy

  • Monday Night

    Monday Night: Scattered showers and thunderstorms before 11pm. Mostly cloudy, with a low around 77. Windy.

    Low: 77 °F

    Scattered
    Showers and
    Windy then
    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 84. Breezy.

    High: 84 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 88. North northeast wind around 7 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 78. North wind around 7 mph.
Independence Day
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 87. North wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 77. North wind 10 to 14 mph. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a north northwest wind 14 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
Showers and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms after 7pm. Some of the storms could produce heavy rainfall. Low around 74. Windy. Chance of precipitation is 80%.
Monday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. Windy. Chance of precipitation is 40%.
Monday Night
Scattered showers and thunderstorms before 11pm. Mostly cloudy, with a low around 77. Windy.
Tuesday
A chance of showers. Partly sunny, with a high near 84. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 78. Breezy.
Wednesday
A chance of showers. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 76.
Thursday
A chance of showers. Mostly cloudy, 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:
6:06 am ChST Jul 3, 2026
Forecast Valid:
8am ChST Jul 3, 2026-6pm ChST Jul 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