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

88°F

31°C

Humidity 70%
Wind Speed E 16 G 22 mph
Barometer 29.86 in (1010.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 27 Jul 11:54 am ChST
Extended Forecast for

Mangilao GU

  • This Afternoon

    This Afternoon: Scattered showers. Partly sunny, with a high near 87. East wind 11 to 13 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 85. East northeast wind 6 to 13 mph. Chance of precipitation is 60%.

    Low: 85 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 87. East northeast wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 85. Northeast wind 6 to 11 mph becoming light east northeast. Chance of precipitation is 40%.

    Low: 85 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers. Partly sunny, with a high near 87. East wind 5 to 8 mph becoming south in the afternoon.

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Mostly cloudy, with a low around 85.

    Low: 85 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Partly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 85.

    Low: 85 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 87. East wind 11 to 13 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 85. East northeast wind 6 to 13 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Partly sunny, with a high near 87. East northeast wind 6 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 85. Northeast wind 6 to 11 mph becoming light east northeast. Chance of precipitation is 40%.
Wednesday
Isolated showers. Partly sunny, with a high near 87. East wind 5 to 8 mph becoming south in the afternoon.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 85.
Thursday
Isolated showers. Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 85.
Friday
Partly sunny, with a high near 87.
Friday Night
Mostly cloudy, with a low around 85.
Saturday
Partly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 85.
Sunday
A chance of showers. Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mangilao GU
 13.42°N 144.81°E
Last Update:
11:45 am ChST Jul 27, 2026
Forecast Valid:
12pm ChST Jul 27, 2026-6pm ChST Aug 2, 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