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.

Fair

27°F

-3°C

Humidity 81%
Wind Speed Calm
Barometer 30.04 in (1017.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 6 Apr 9:53 pm AKDT
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Partly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow before 4pm, then rain and snow likely. High near 37. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 7pm, then snow between 7pm and 4am, then rain and snow after 4am. Low around 32. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers, becoming all rain after 4pm. High near 39. East wind around 10 mph. Chance of precipitation is 80%.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain showers likely, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 33. East wind around 5 mph. Chance of precipitation is 70%.

    Low: 33 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain after 4pm. Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 10pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow before 4pm, then rain and snow likely. High near 37. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow likely before 7pm, then snow between 7pm and 4am, then rain and snow after 4am. Low around 32. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow showers, becoming all rain after 4pm. High near 39. East wind around 10 mph. Chance of precipitation is 80%.
Wednesday Night
Rain showers likely, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 33. East wind around 5 mph. Chance of precipitation is 70%.
Thursday
Partly sunny, with a high near 42. Calm wind.
Thursday Night
Partly cloudy, with a low around 29.
Friday
A chance of rain after 4pm. Partly sunny, with a high near 43.
Friday Night
A chance of rain before 10pm. Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 32.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 42.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
9:51 pm AKDT Apr 6, 2026
Forecast Valid:
10pm AKDT Apr 6, 2026-6pm AKDT Apr 13, 2026
 
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