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

8°F

-13°C

Humidity 69%
Wind Speed Vrbl 7 mph
Barometer 30.53 in (1034.2 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 21 Feb 11:53 pm AKST
Extended Forecast for

Alyeska AK

  • Overnight

    Overnight: Mostly clear, with a low around 10. Southeast wind around 5 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Northwest wind 5 to 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow and freezing rain before 9pm, then snow likely. Mostly cloudy, with a low around 24. Southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 24 °F

    Chance Wintry
    Mix then Snow
    Likely

  • Tuesday

    Tuesday: A chance of snow before 3pm. Mostly cloudy, with a high near 30. Light northwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow between midnight and 3am. Mostly cloudy, with a low around 0. 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.

    High: 6 °F

    Chance Snow

  • Wednesday Night

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

    Low: -13 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 25. Southwest wind around 5 mph becoming northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. Northwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 34. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
A chance of snow and freezing rain before 9pm, then snow likely. Mostly cloudy, with a low around 24. Southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 60%.
Tuesday
A chance of snow before 3pm. Mostly cloudy, with a high near 30. 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. Chance of precipitation is 30%.
Wednesday
A chance of snow between 9am and 3pm. Partly sunny, with a high near 6.
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:
7:19 pm AKST Feb 21, 2026
Forecast Valid:
12am AKST Feb 22, 2026-6pm AKST Feb 28, 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