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

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Fog/Mist

34°F

1°C

Humidity 97%
Wind Speed Calm
Barometer 29.76 in (1007.7 mb)
Dewpoint 33°F (1°C)
Visibility 4.00 mi
Last update 1 Dec 11:53 am AKST
Extended Forecast for

2 Miles ESE Alyeska AK

  • Today

    Today: Mostly sunny, with a high near 32. Northwest wind 5 to 10 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly after 3am. Increasing clouds, with a low around 30. Light south wind becoming southeast 20 to 25 mph in the evening. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Snow then
    Snow Likely

  • Tuesday

    Tuesday: Snow. High near 33. East wind 25 to 35 mph decreasing to 15 to 25 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 28. Southeast wind 5 to 15 mph. Chance of precipitation is 90%.

    Low: 28 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 9am. Cloudy, with a high near 30. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%.

    High: 30 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow between 9am and 3pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow after 3pm. Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 32. Northwest wind 5 to 10 mph.
Tonight
Snow likely, mainly after 3am. Increasing clouds, with a low around 30. Light south wind becoming southeast 20 to 25 mph in the evening. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 33. East wind 25 to 35 mph decreasing to 15 to 25 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. Low around 28. Southeast wind 5 to 15 mph. Chance of precipitation is 90%.
Wednesday
Snow likely, mainly before 9am. Cloudy, with a high near 30. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Thursday
A chance of snow between 9am and 3pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A chance of snow after 3pm. Partly sunny, with a high near 18.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A chance of snow. Mostly cloudy, with a high near 10.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 4.
Sunday
A chance of snow. Mostly cloudy, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Alyeska AK
 60.94°N 149.06°W (Elev. 3586 ft)
Last Update:
9:42 am AKST Dec 1, 2025
Forecast Valid:
11am AKST Dec 1, 2025-6pm AKST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation