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.

Partly Cloudy

83°F

28°C

Humidity 85%
Wind Speed Calm
Barometer 29.91 in (1012.0 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 25 Sep 8:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 86. Northwest wind 3 to 5 mph.

    High: 86 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 78. Northwest wind 3 to 5 mph.

    Low: 78 °F

    Isolated
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 86. North northwest wind around 5 mph becoming calm in the morning.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

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

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. West northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Isolated showers. Mostly sunny, with a high near 86. Northwest wind 3 to 5 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 78. Northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 86. North northwest wind around 5 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
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:
6:05 am ChST Sep 25, 2026
Forecast Valid:
9am ChST Sep 25, 2026-6pm ChST Oct 1, 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