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 Vrbl 3 mph
Barometer 30.26 in (1025.1 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 23 Dec 6:53 pm AKST
Extended Forecast for

10 Miles N Alyeska AK

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 14 by 5am. North wind around 5 mph becoming calm in the evening.

    Low: 8 °F⇑

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 15. Calm wind becoming north around 5 mph in the afternoon.

    High: 15 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 3. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 3 °F

    Mostly Clear

  • Christmas Day

    Christmas Day: Sunny, with a high near 10. Northwest wind 5 to 15 mph.

    High: 10 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: -4 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow showers between noon and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 8. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.

    High: 8 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around -3. Chance of precipitation is 40%.

    Low: -3 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 2.

    High: 2 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around -7.

    Low: -7 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 14 by 5am. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 15. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 3. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Christmas Day
Sunny, with a high near 10. Northwest wind 5 to 15 mph.
Thursday Night
Mostly cloudy, with a low around -4. North wind 5 to 10 mph becoming light and variable after midnight.
Friday
A chance of snow showers between noon and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 8. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around -3. Chance of precipitation is 40%.
Saturday
A chance of snow. Mostly cloudy, with a high near 2.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -7.
Sunday
A chance of snow before 3pm. Partly sunny, with a high near 1.
Sunday Night
Mostly clear, with a low around -7.
Monday
Mostly sunny, with a high near 3.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
A chance of snow. Mostly sunny, with a high near 7.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Alyeska AK
 61.1°N 149.16°W (Elev. 4196 ft)
Last Update:
4:23 pm AKST Dec 23, 2025
Forecast Valid:
7pm AKST Dec 23, 2025-6pm AKST Dec 30, 2025
 
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