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.

Light Rain

77°F

25°C

Humidity 90%
Wind Speed E 15 mph
Barometer 29.82 in (1008.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Jul 5:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. South wind around 8 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 86. South southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

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

    Low: 78 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Monday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. South wind around 8 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 86. South southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 78.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Mostly cloudy, with a low around 78.
Saturday
A chance of showers. Mostly cloudy, with a high near 86. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:05 am ChST Jul 12, 2026
Forecast Valid:
6am ChST Jul 12, 2026-6pm ChST Jul 18, 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