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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

79°F

26°C

Humidity 88%
Wind Speed NE 8 mph
Barometer 29.80 in (1008.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jan 7:54 am ChST
Extended Forecast for

Tamuning GU

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 86. East northeast wind 7 to 11 mph.

    High: 86 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. East wind 9 to 11 mph.

    Low: 76 °F

    Isolated
    Showers

  • M.L.King Day

    M.L.King Day: Isolated showers. Mostly sunny, with a high near 86. East wind 9 to 11 mph.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 76. East wind 7 to 9 mph.

    Low: 76 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 86. East northeast wind 7 to 11 mph.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 76 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 86. East northeast wind 7 to 11 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 76. East wind 9 to 11 mph.
M.L.King Day
Isolated showers. Mostly sunny, with a high near 86. East wind 9 to 11 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 7 to 9 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 86. East northeast wind 7 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 76.
Thursday
A chance of showers. Partly sunny, with a high near 88.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 76.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Mostly cloudy, with a low around 80.
Saturday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
Last Update:
6:05 am ChST Jan 18, 2026
Forecast Valid:
8am ChST Jan 18, 2026-6pm ChST Jan 24, 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