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

42°F

6°C

Humidity 62%
Wind Speed E 5 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Apr 2:53 pm AKDT
Extended Forecast for

6 Miles NNW Alyeska AK

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 30. South wind around 5 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 7pm. Low around 18. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow

  • Sunday

    Sunday: Snow. High near 21. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. North wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: Cloudy, with a high near 27. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 27 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. North wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 30. South wind around 5 mph.
Tonight
Snow, mainly after 7pm. Low around 18. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. High near 21. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. North wind 5 to 10 mph. Chance of precipitation is 70%.
Monday
Cloudy, with a high near 27. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 18. North wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
A chance of snow after 10pm. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly cloudy, with a high near 28.
Thursday Night
Snow likely. Mostly cloudy, with a low around 23.
Friday
Snow likely. Mostly cloudy, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
2:52 pm AKDT Apr 11, 2026
Forecast Valid:
3pm AKDT Apr 11, 2026-6pm AKDT Apr 17, 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