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

87°F

31°C

Humidity 70%
Wind Speed E 15 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 29 Jun 4:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 88. East wind around 9 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

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

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 88. East wind around 6 mph.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 78. East wind around 7 mph.

    Low: 78 °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: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 88. East wind around 9 mph. Chance of precipitation is 30%.
Tonight
Scattered showers. Mostly cloudy, with a low around 78. East wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers. Mostly sunny, with a high near 88. East wind around 6 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 78. East wind around 7 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 88.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 78.
Independence Day
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 80.
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 am ChST Jun 29, 2026
Forecast Valid:
5pm ChST Jun 29, 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