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

78°F

26°C

Humidity 93%
Wind Speed Calm
Barometer 29.91 in (1011.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 7 Oct 5:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Showers likely and possibly a thunderstorm. Cloudy, with a high near 86. West southwest wind 11 to 13 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 78. West southwest wind 6 to 11 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 78 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm. Cloudy, with a high near 86. West southwest wind 11 to 13 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 78. West southwest wind 6 to 11 mph. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 78.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 78.
Columbus Day
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Mostly sunny, with a high near 85.
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:
6:05 am ChST Oct 7, 2026
Forecast Valid:
6am ChST Oct 7, 2026-6pm ChST Oct 13, 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