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

-5°F

-21°C

Humidity 83%
Wind Speed Calm
Barometer 30.25 in (1024.5 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 24 Dec 3:53 am AKST
Extended Forecast for

6 Miles N Alyeska AK

  • Today

    Today: A slight chance of snow after 3pm. Sunny, with a high near 18. North wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 18 °F

    Sunny then
    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 1. North wind 15 to 25 mph, with gusts as high as 30 mph.

    Low: 1 °F

    Mostly Clear

  • Christmas Day

    Christmas Day: Sunny, with a high near 6. North wind 15 to 20 mph.

    High: 6 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 0. North wind 5 to 10 mph becoming south after midnight.

    Low: 0 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow after noon. Mostly cloudy, with a high near 11. East wind around 5 mph. Chance of precipitation is 40%.

    High: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 3am. Mostly cloudy, with a low around 2. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 2 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 8. Chance of precipitation is 60%.

    High: 8 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before 3am. Mostly cloudy, with a low around -4.

    Low: -4 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 5.

    High: 5 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of snow after 3pm. Sunny, with a high near 18. North wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 1. North wind 15 to 25 mph, with gusts as high as 30 mph.
Christmas Day
Sunny, with a high near 6. North wind 15 to 20 mph.
Thursday Night
Increasing clouds, with a low around 0. North wind 5 to 10 mph becoming south after midnight.
Friday
A chance of snow after noon. Mostly cloudy, with a high near 11. East wind around 5 mph. Chance of precipitation is 40%.
Friday Night
Snow likely, mainly after 3am. Mostly cloudy, with a low around 2. East wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 8. Chance of precipitation is 60%.
Saturday Night
Snow likely, mainly before 3am. Mostly cloudy, with a low around -4.
Sunday
A chance of snow. Mostly cloudy, with a high near 5.
Sunday Night
A chance of snow. Mostly cloudy, with a low around -2.
Monday
A chance of snow. Mostly cloudy, with a high near 9.
Monday Night
A chance of snow. Mostly cloudy, with a low around 2.
Tuesday
A chance of snow. Mostly cloudy, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Alyeska AK
 61.05°N 149.11°W (Elev. 3422 ft)
Last Update:
3:05 am AKST Dec 24, 2025
Forecast Valid:
4am AKST Dec 24, 2025-6pm AKST Dec 30, 2025
 
Forecast Discussion
 
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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