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

83°F

28°C

Humidity 85%
Wind Speed E 6 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 20 Jun 6:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. South southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms after noon. Partly sunny, with a high near 88. South southeast wind around 7 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 77. South wind around 6 mph becoming calm after midnight.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 77. Light and variable wind.

    Low: 77 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after noon. Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. South southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 88. South southeast wind around 7 mph. Chance of precipitation is 30%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 77. South wind around 6 mph becoming calm after midnight.
Monday
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 77. Light and variable wind.
Tuesday
A chance of showers after noon. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Partly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 77.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 79.
Friday
Partly sunny, with a high near 87.
Friday Night
Mostly cloudy, with a low around 79.
Saturday
Mostly 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:
6:06 pm ChST Jun 20, 2026
Forecast Valid:
7pm ChST Jun 20, 2026-6pm ChST Jun 27, 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