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

86°F

30°C

Humidity 80%
Wind Speed N 13 mph
Barometer 29.79 in (1008.1 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 4 Jul 9:54 am ChST
Extended Forecast for

Santa Rosa GU

Typhoon Watch until further notice
Flood Watch July 4, 10:13am until July 8, 06:00am
Coastal Flood Watch July 4, 10:13am until July 7, 06:00am
Click here for hazard details and duration
Typhoon Watch until further notice
Flood Watch
Coastal Flood Watch
  •  
    Typhoon Watch until further notice
    Flood Watch July 4, 10:13am until July 8, 06:00am
    Coastal Flood Watch July 4, 10:13am until July 7, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Independence Day

    High: 87 °F

    Tropical
    Storm
    Conditions
    Possible

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 77. North wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 77 °F

    Heavy Rain

  • Sunday

    Sunday: Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Chance of precipitation is 100%.

    High: 85 °F

    Tropical
    Storm
    Conditions
    Possible

  • Sunday Night

    Sunday Night: Hurricane conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. Chance of precipitation is 100%.

    Low: 74 °F

    Hurricane
    Conditions
    Possible

  • Monday

    Monday: Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 100%.

    High: 83 °F

    Tropical
    Storm
    Conditions
    Possible

  • Monday Night

    Monday Night: Tropical storm conditions possible. Showers. The rain could be heavy at times. Low around 77. Chance of precipitation is 100%.

    Low: 77 °F

    Tropical
    Storm
    Conditions
    Possible

  • Tuesday

    Tuesday: Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 84. Breezy. Chance of precipitation is 60%.

    High: 84 °F

    Heavy Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 78. Breezy.

    Low: 78 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Independence Day
Tropical storm conditions possible. Isolated showers. Mostly sunny, with a high near 87.
Tonight
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 77. North wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Chance of precipitation is 100%.
Sunday Night
Hurricane conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. Chance of precipitation is 100%.
Monday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 100%.
Monday Night
Tropical storm conditions possible. Showers. The rain could be heavy at times. Low around 77. Chance of precipitation is 100%.
Tuesday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 84. Breezy. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 78. Breezy.
Wednesday
A chance of showers. Mostly cloudy, with a high near 85.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 76.
Thursday
A chance of showers. Partly sunny, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 79.
Friday
Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:06 am ChST Jul 4, 2026
Forecast Valid:
10am ChST Jul 4, 2026-6pm ChST Jul 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