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.

Partly Cloudy

11°F

-12°C

Humidity 84%
Wind Speed Vrbl 5 mph
Barometer 29.68 in (1005.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 20 Mar 3:53 am AKDT
Extended Forecast for

Alyeska AK

  • Overnight

    Overnight: Snow showers likely. Mostly cloudy, with a steady temperature around 12. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely, mainly before 4pm. Partly sunny, with a high near 21. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A chance of snow showers before 1am, then a slight chance of snow showers after 4am. Partly cloudy, with a low around 9. North wind around 5 mph. Chance of precipitation is 40%.

    Low: 9 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 24. Northeast wind around 5 mph becoming calm.

    High: 24 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. Calm wind becoming north around 5 mph after midnight.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Calm wind.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

Detailed Forecast

Overnight
Snow showers likely. Mostly cloudy, with a steady temperature around 12. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
Snow showers likely, mainly before 4pm. Partly sunny, with a high near 21. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A chance of snow showers before 1am, then a slight chance of snow showers after 4am. Partly cloudy, with a low around 9. North wind around 5 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 24. Northeast wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 10. Calm wind becoming north around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 28. Calm wind.
Sunday Night
Mostly clear, with a low around 11.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 5.
Wednesday
Sunny, with a high near 25.
Wednesday Night
Mostly clear, with a low around 8.
Thursday
Sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
8:58 pm AKDT Mar 19, 2026
Forecast Valid:
4am AKDT Mar 20, 2026-6pm AKDT Mar 26, 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