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

81°F

27°C

Humidity 88%
Wind Speed SW 5 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 16 Jul 5:54 am ChST
Extended Forecast for

Santa Rosa GU

  • Today

    Today: Mostly sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 21 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Friday

    Friday: Partly sunny, with a high near 87. West southwest wind 11 to 14 mph.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West southwest wind 8 to 13 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Southwest wind 9 to 11 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Sunday Night

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

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 21 mph.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 87. West southwest wind 11 to 14 mph.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West southwest wind 8 to 13 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 87. Southwest wind 9 to 11 mph.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Partly sunny, with a high near 87.
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 86.
Tuesday Night
Mostly cloudy, with a low around 75.
Wednesday
Partly sunny, with a high near 87.
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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 16, 2026
Forecast Valid:
6am ChST Jul 16, 2026-6pm ChST Jul 22, 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