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.

A Few Clouds

85°F

29°C

Humidity 80%
Wind Speed NW 10 mph
Barometer 29.78 in (1007.5 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 29 Aug 3:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind around 11 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. North northwest wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Northwest wind 9 to 11 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Northwest wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind around 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

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

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind around 11 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. North northwest wind 9 to 11 mph. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Northwest wind 9 to 11 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Northwest wind 7 to 11 mph. Chance of precipitation is 40%.
Monday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind around 9 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
A chance of showers. Partly sunny, with a high near 86.
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 76.
Friday
A chance of showers. Partly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 76.
Saturday
Mostly sunny, 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:
2:40 pm ChST Aug 29, 2026
Forecast Valid:
4pm ChST Aug 29, 2026-6pm ChST Sep 5, 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