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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Andersen, Mariana Is, Andersen Air Force Base (PGUA)

Lat: 13.58°NLon: 144.93°EElev: 614ft.

Mostly Cloudy

81°F

27°C

Humidity 85%
Wind Speed E 10 mph
Barometer 29.84 in (1009.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Dec 2:55 am ChST
Extended Forecast for

Andersen AFB GU

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 78. East southeast wind around 10 mph.

    Low: 78 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 87. East southeast wind 11 to 15 mph, with gusts as high as 18 mph.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers. Partly sunny, with a high near 85. East southeast wind 9 to 14 mph.

    High: 85 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 79. East southeast wind 6 to 13 mph.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

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

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 78. East southeast wind around 10 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 87. East southeast wind 11 to 15 mph, with gusts as high as 18 mph.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East wind 9 to 13 mph. Chance of precipitation is 30%.
Friday
Isolated showers. Partly sunny, with a high near 85. East southeast wind 9 to 14 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 79. East southeast wind 6 to 13 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Andersen AFB GU
 13.59°N 144.93°E
Last Update:
6:05 pm ChST Dec 3, 2025
Forecast Valid:
3am ChST Dec 4, 2025-6pm ChST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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