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.

Light Rain

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Aug 11:54 am ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. West wind around 8 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. West southwest wind 6 to 9 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 76. West southwest wind around 9 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind 9 to 13 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 76.

    Low: 76 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. West wind around 8 mph. Chance of precipitation is 60%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. West southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West southwest wind around 9 mph. Chance of precipitation is 40%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind 9 to 13 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 76.
Sunday
A chance of showers. Partly sunny, with a high near 86.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 77.
Monday
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 76.
Tuesday
A chance of showers. Partly sunny, with a high near 87.
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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:
6:05 am ChST Aug 26, 2026
Forecast Valid:
12pm ChST Aug 26, 2026-6pm ChST Sep 1, 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