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 53%
Wind Speed W 12 G 23 mph
Barometer 29.49 in (998.7 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 18 Mar 1:53 am AKDT
Extended Forecast for

6 Miles NNW Alyeska AK

  • Overnight

    Overnight: Mostly clear, with a low around 1. North wind around 5 mph.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow after 4pm. Increasing clouds, with a high near 7. North wind around 5 mph. Chance of precipitation is 30%.

    High: 7 °F

    Sunny then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around -1. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: -1 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 7. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 70%.

    High: 7 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 4. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 4 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers, mainly after 10am. High near 14. Southeast wind around 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 14 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers, mainly before 7pm. Low around 4. Chance of precipitation is 80%.

    Low: 4 °F

    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: A chance of snow. Partly sunny, with a high near 20.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 1. North wind around 5 mph.
Wednesday
A chance of snow after 4pm. Increasing clouds, with a high near 7. North wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around -1. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 7. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 70%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 4. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Snow showers, mainly after 10am. High near 14. Southeast wind around 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Snow showers, mainly before 7pm. Low around 4. Chance of precipitation is 80%.
Saturday
A chance of snow. Partly sunny, with a high near 20.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 2.
Tuesday
Sunny, with a high near 16.
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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:
8:14 pm AKDT Mar 17, 2026
Forecast Valid:
2am AKDT Mar 18, 2026-6pm AKDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation