National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

80°F

27°C

Humidity 85%
Wind Speed E 3 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 14 Oct 11:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 6 mph.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 87. East northeast wind 5 to 8 mph.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 8 mph.

    Low: 78 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 86. Northeast wind 8 to 10 mph.

    High: 86 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 75. North northeast wind around 9 mph.

    Low: 75 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Breezy.

    High: 82 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 73. Breezy.

    Low: 73 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 6 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 87. East northeast wind 5 to 8 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 8 mph.
Friday
Isolated showers. Mostly sunny, with a high near 86. Northeast wind 8 to 10 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 75. North northeast wind around 9 mph.
Saturday
Scattered showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night
Showers likely. Cloudy, with a low around 76. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Breezy.
Sunday Night
Showers likely. Cloudy, with a low around 73. Breezy.
Monday
A chance of showers. Mostly cloudy, with a high near 83. Breezy.
Monday Night
A chance of showers. Mostly cloudy, with a low around 77. Breezy.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 79.
Wednesday
Mostly sunny, with a high near 85.
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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 pm ChST Oct 14, 2026
Forecast Valid:
12am ChST Oct 15, 2026-6pm ChST Oct 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