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

20°F

-7°C

Humidity 92%
Wind Speed Calm
Barometer 29.42 in (996.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 14 Nov 10:53 pm AKST
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 24. Calm wind.

    High: 24 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18. Calm wind becoming north around 5 mph after midnight.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of snow after 3pm. Partly sunny, with a high near 30. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 30 °F

    Mostly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow, mainly after 9pm. Low around 29. East wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 29 °F

    Snow

  • Monday

    Monday: Snow. High near 36. East wind 5 to 15 mph. Chance of precipitation is 80%.

    High: 36 °F

    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight, then a chance of snow showers after 3am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Snow Likely

  • Tuesday

    Tuesday: A chance of snow before 9am, then a chance of rain and snow. Cloudy, with a high near 36.

    High: 36 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Calm wind.
Saturday
Sunny, with a high near 24. Calm wind.
Saturday Night
Mostly clear, with a low around 18. Calm wind becoming north around 5 mph after midnight.
Sunday
A chance of snow after 3pm. Partly sunny, with a high near 30. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 30%.
Sunday Night
Snow, mainly after 9pm. Low around 29. East wind 5 to 10 mph. Chance of precipitation is 80%.
Monday
Snow. High near 36. East wind 5 to 15 mph. Chance of precipitation is 80%.
Monday Night
Snow likely, mainly before midnight, then a chance of snow showers after 3am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Tuesday
A chance of snow before 9am, then a chance of rain and snow. Cloudy, with a high near 36.
Tuesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28.
Wednesday
A chance of snow before 9am, then a chance of rain and snow. Cloudy, with a high near 38.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 33.
Thursday
Rain. Cloudy, with a high near 38.
Thursday Night
Rain and snow. Cloudy, with a low around 30.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 35.
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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:
9:21 pm AKST Nov 14, 2025
Forecast Valid:
11pm AKST Nov 14, 2025-6pm AKST Nov 21, 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