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.

Overcast

39°F

4°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.77 in (1008.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 3 Dec 2:53 pm AKST
Extended Forecast for

7 Miles NNW Alyeska AK

  • This Afternoon

    This Afternoon: A slight chance of snow. Mostly cloudy, with a high near 28. Calm wind. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A chance of snow, mainly after 3am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 24. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 24 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 3am. Mostly cloudy, with a low around 18. West wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: Mostly cloudy, with a high near 18. North wind around 5 mph.

    High: 18 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Northeast wind around 5 mph.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 3pm. Partly sunny, with a high near 8. Chance of precipitation is 30%.

    High: 8 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly after 3pm. Mostly cloudy, with a high near 12.

    High: 12 °F

    Snow Likely

Detailed Forecast

This Afternoon
A slight chance of snow. Mostly cloudy, with a high near 28. Calm wind. Chance of precipitation is 20%.
Tonight
A chance of snow, mainly after 3am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%.
Thursday
Snow likely. Mostly cloudy, with a high near 24. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday Night
Snow likely, mainly before 3am. Mostly cloudy, with a low around 18. West wind 5 to 10 mph. Chance of precipitation is 60%.
Friday
Mostly cloudy, with a high near 18. North wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 6. Northeast wind around 5 mph.
Saturday
A chance of snow after 3pm. Partly sunny, with a high near 8. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 4.
Sunday
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 12.
Sunday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 4.
Monday
A chance of snow. Mostly cloudy, with a high near 10.
Monday Night
A chance of snow. Mostly cloudy, with a low around -1.
Tuesday
A chance of snow. Mostly cloudy, with a high near 4.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
3:22 pm AKST Dec 3, 2025
Forecast Valid:
3pm AKST Dec 3, 2025-6pm AKST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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