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

82°F

28°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 14 Jul 9:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Partly Cloudy
    then
    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 75.
Tuesday
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:
6:05 pm ChST Jul 14, 2026
Forecast Valid:
10pm ChST Jul 14, 2026-6pm ChST Jul 21, 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