National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

86°F

30°C

Humidity 67%
Wind Speed E 10 mph
Barometer 29.82 in (1009.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 27 Jul 3:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Scattered showers. Partly sunny, with a high near 88. East northeast wind around 13 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. East northeast wind 6 to 11 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 87. Northeast wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 77. East northeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers. Partly sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Partly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 88. East northeast wind around 13 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. East northeast wind 6 to 11 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Partly sunny, with a high near 87. Northeast wind 7 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 77. East northeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 40%.
Wednesday
Isolated showers. Partly sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the morning.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 78.
Thursday
Isolated showers. Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 78.
Friday
Partly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 78.
Saturday
Partly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 78.
Sunday
A chance of showers. Partly sunny, with a high near 88. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 78. Breezy.
Monday
A chance of showers. Partly sunny, with a high near 88. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
11:45 am ChST Jul 27, 2026
Forecast Valid:
4pm ChST Jul 27, 2026-6pm ChST Aug 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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