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 87%
Wind Speed E 3 mph
Barometer 29.86 in (1010.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 Jun 4:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 79. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 88. East wind around 6 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 79. East wind around 7 mph.

    Low: 79 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 10 mph.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 78. East northeast wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers. Partly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

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

    Low: 78 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Friday Night

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

    Low: 77 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 79. East wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 88. East wind around 6 mph. Chance of precipitation is 30%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 79. East wind around 7 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 10 mph.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 78. East northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Friday
Partly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 77.
Independence Day
Partly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 78.
Sunday
A chance of showers. Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 77.
Monday
A chance of showers. Partly sunny, with a high near 87. Breezy.
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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 Jun 29, 2026
Forecast Valid:
5am ChST Jun 30, 2026-6pm ChST Jul 6, 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