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

80°F

27°C

Humidity 85%
Wind Speed NW 8 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 7 Oct 9:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 78. West wind 5 to 9 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers and thunderstorms before noon. Partly sunny, with a high near 86. West southwest wind around 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78. South wind 5 to 7 mph.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Saturday Night

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

    Low: 78 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

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

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 78. West wind 5 to 9 mph. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms before noon. Partly sunny, with a high near 86. West southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 78. South wind 5 to 7 mph.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Sunday
Partly sunny, with a high near 86.
Sunday Night
A chance of showers. 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
A chance of showers. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 79.
Wednesday
A chance of showers. Partly 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:
6:05 pm ChST Oct 7, 2026
Forecast Valid:
10pm ChST Oct 7, 2026-6pm ChST Oct 14, 2026
 
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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