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

10°F

-12°C

Humidity 67%
Wind Speed W 10 mph
Barometer 30.41 in (1029.9 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 22 Feb 7:53 am AKST
Extended Forecast for

Alyeska AK

  • Today

    Today: Mostly sunny, with a high near 30. South wind around 5 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. West wind 5 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 3pm. Partly sunny, with a high near 34. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 34 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A chance of freezing rain before 9pm, then a chance of snow and freezing rain between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 25. North wind around 5 mph becoming southeast in the evening. Chance of precipitation is 60%.

    Low: 25 °F

    Wintry Mix
    Likely

  • Tuesday

    Tuesday: A chance of snow before 3pm. Mostly cloudy, with a high near 28. Light northwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 28 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow between midnight and 3am. Mostly cloudy, with a low around 0. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 0 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow between 9am and 3pm. Partly sunny, with a high near 6. Chance of precipitation is 30%.

    High: 6 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -13.

    Low: -13 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near -1.

    High: -1 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 30. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 25. West wind 5 to 10 mph.
Monday
A slight chance of rain after 3pm. Partly sunny, with a high near 34. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of freezing rain before 9pm, then a chance of snow and freezing rain between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 25. North wind around 5 mph becoming southeast in the evening. Chance of precipitation is 60%.
Tuesday
A chance of snow before 3pm. Mostly cloudy, with a high near 28. Light northwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
A chance of snow between midnight and 3am. Mostly cloudy, with a low around 0. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A chance of snow between 9am and 3pm. Partly sunny, with a high near 6. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around -13.
Thursday
Mostly sunny, with a high near -1.
Thursday Night
Partly cloudy, with a low around -11.
Friday
Mostly sunny, with a high near 6.
Friday Night
Partly cloudy, with a low around -3.
Saturday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
7:11 am AKST Feb 22, 2026
Forecast Valid:
8am AKST Feb 22, 2026-6pm AKST Feb 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation