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 88%
Wind Speed E 8 mph
Barometer 29.87 in (1010.7 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Jun 6:54 am ChST
Extended Forecast for

3 Miles S Agat GU

  • Today

    Today: Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Windy, with an east wind 18 to 23 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers and
    Windy

  • Tonight

    Tonight: Isolated showers. Mostly cloudy, with a low around 75. Breezy, with an east wind around 25 mph, with gusts as high as 32 mph.

    Low: 75 °F

    Isolated
    Showers and
    Breezy

  • Saturday

    Saturday: Isolated showers. Partly sunny, with a high near 85. Breezy, with an east wind 22 to 29 mph, with gusts as high as 37 mph.

    High: 85 °F

    Isolated
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 75. East wind 11 to 15 mph, with gusts as high as 18 mph.

    Low: 75 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 86. East wind around 14 mph, with gusts as high as 18 mph.

    High: 86 °F

    Isolated
    Showers

  • 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

  • Monday Night

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

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Windy, with an east wind 18 to 23 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 40%.
Tonight
Isolated showers. Mostly cloudy, with a low around 75. Breezy, with an east wind around 25 mph, with gusts as high as 32 mph.
Saturday
Isolated showers. Partly sunny, with a high near 85. Breezy, with an east wind 22 to 29 mph, with gusts as high as 37 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 75. East wind 11 to 15 mph, with gusts as high as 18 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 86. East wind around 14 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 75.
Thursday
Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Agat GU
 13.33°N 144.67°E
Last Update:
6:05 am ChST Jun 26, 2026
Forecast Valid:
6am ChST Jun 26, 2026-6pm ChST Jul 2, 2026
 
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Additional Resources

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Chance of Precipitation