Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

80°F

27°C

Humidity 82%
Wind Speed E 3 mph
Barometer 29.75 in (1006.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Jan 8:54 pm ChST
Extended Forecast for

Tamuning GU

  • Tonight

    Tonight: Partly cloudy, with a low around 76. East northeast wind around 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. East northeast wind 7 to 9 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 76. East wind around 8 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms.  Partly sunny, with a high near 88. East southeast wind 9 to 14 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 76. Southeast wind around 10 mph.  Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Friday Night

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

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

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

    Low: 76 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 88. East northeast wind 7 to 9 mph.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East wind around 8 mph. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. East southeast wind 9 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 10 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 76.
Sunday
Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 76.
Monday
A chance of showers. Partly sunny, with a high near 88.
Monday Night
A chance of showers. Mostly cloudy, with a low around 76.
Tuesday
A chance of showers. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
6:06 pm ChST Jan 20, 2026
9pm ChST Jan 20, 2026-6pm ChST Jan 27, 2026
 
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Additional Resources

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