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

81°F

27°C

Humidity 91%
Wind Speed E 8 mph
Barometer 29.82 in (1008.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 9 Sep 10:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Northeast wind around 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 88. North northeast wind around 7 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. Northeast wind 5 to 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. North northeast wind around 6 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 77. North northeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. Northeast wind around 8 mph.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. North northeast wind around 7 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 76. Northeast wind 5 to 7 mph.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. North northeast wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Isolated showers. Partly cloudy, with a low around 77. North northeast wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly cloudy, with a low around 76.
Wednesday
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 Sep 9, 2026
Forecast Valid:
11pm ChST Sep 9, 2026-6pm ChST Sep 16, 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