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 60%
Wind Speed E 6 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 11 Apr 3:53 pm AKDT
Extended Forecast for

13 Miles NNE 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 1am. Low around 18. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow. High near 21. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Northwest 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 around 10 mph.

    High: 27 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 30. South wind around 5 mph.
Tonight
Snow, mainly after 1am. Low around 18. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Snow. High near 21. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph. Chance of precipitation is 70%.
Monday
Cloudy, with a high near 27. Northwest wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 15. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
A chance of snow after 10pm. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 27.
Thursday Night
Snow likely. Mostly cloudy, with a low around 20.
Friday
Snow likely. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Alyeska AK
 61.13°N 148.88°W (Elev. 5052 ft)
Last Update:
2:52 pm AKDT Apr 11, 2026
Forecast Valid:
3pm AKDT Apr 11, 2026-6pm AKDT Apr 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation