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.

Partly Cloudy

86°F

30°C

Humidity 72%
Wind Speed W 15 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Aug 11:54 am ChST
Extended Forecast for

2 Miles E Merizo GU

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after noon. Partly sunny, with a high near 86. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. North wind around 7 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 86. North wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 76.

    Low: 76 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 86. West wind 7 to 10 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 86. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. North wind around 7 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 86. North wind 8 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 77.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 76.
Sunday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Merizo GU
 13.26°N 144.69°E
Last Update:
6:06 am ChST Aug 17, 2026
Forecast Valid:
12pm ChST Aug 17, 2026-6pm ChST Aug 23, 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