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

9°F

-13°C

Humidity 66%
Wind Speed W 8 mph
Barometer 30.55 in (1034.6 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 21 Feb 10:53 pm AKST
Extended Forecast for

6 Miles NNW Alyeska AK

  • Tonight

    Tonight: Mostly clear, with a low around 17. North wind 10 to 15 mph.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 24. North wind around 10 mph.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. North wind 10 to 15 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. Northwest wind 5 to 10 mph becoming west in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph becoming north 15 to 20 mph after midnight. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Likely

  • Tuesday

    Tuesday: A chance of snow before noon. Mostly cloudy, with a high near 22. West wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Chance of precipitation is 50%.

    High: 22 °F

    Chance Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow between midnight and 3am. Mostly cloudy, with a low around -8. Chance of precipitation is 30%.

    Low: -8 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow between 9am and 3pm. Partly sunny, with a high near -1.

    High: -1 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -20.

    Low: -20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 17. North wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 24. North wind around 10 mph.
Sunday Night
Mostly cloudy, with a low around 20. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 30. Northwest wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph becoming north 15 to 20 mph after midnight. Chance of precipitation is 60%.
Tuesday
A chance of snow before noon. Mostly cloudy, with a high near 22. West wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A chance of snow between midnight and 3am. Mostly cloudy, with a low around -8. Chance of precipitation is 30%.
Wednesday
A chance of snow between 9am and 3pm. Partly sunny, with a high near -1.
Wednesday Night
Partly cloudy, with a low around -20.
Thursday
Mostly sunny, with a high near -8.
Thursday Night
Partly cloudy, with a low around -19.
Friday
Mostly sunny, with a high near 0.
Friday Night
Partly cloudy, with a low around -9.
Saturday
Partly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
7:19 pm AKST Feb 21, 2026
Forecast Valid:
11pm AKST Feb 21, 2026-6pm AKST Feb 28, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation