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

19°F

-7°C

Humidity 77%
Wind Speed Calm
Barometer 29.72 in (1006.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 21 Mar 6:53 pm AKDT
Extended Forecast for

13 Miles NNE Alyeska AK

  • Tonight

    Tonight: A slight chance of snow showers before 1am. Partly cloudy, with a low around 12. North wind around 10 mph becoming east after midnight. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers, mainly after 1pm. Mostly sunny, with a high near 20. Northeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 20 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 7pm. Partly cloudy, with a low around 4. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 4 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 17. Northwest wind around 5 mph.

    High: 17 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -1. West wind around 5 mph.

    Low: -1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 14. East wind 5 to 10 mph becoming northwest in the afternoon.

    High: 14 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -4.

    Low: -4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of snow showers before 1am. Partly cloudy, with a low around 12. North wind around 10 mph becoming east after midnight. Chance of precipitation is 20%.
Sunday
A chance of snow showers, mainly after 1pm. Mostly sunny, with a high near 20. Northeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers, mainly before 7pm. Partly cloudy, with a low around 4. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 17. Northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around -1. West wind around 5 mph.
Tuesday
Sunny, with a high near 14. East wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around -4.
Wednesday
Sunny, with a high near 12.
Wednesday Night
Mostly clear, with a low around -1.
Thursday
Sunny, with a high near 17.
Thursday Night
Mostly clear, with a low around 3.
Friday
Sunny, with a high near 20.
Friday Night
Mostly clear, with a low around 3.
Saturday
Sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Alyeska AK
 61.13°N 148.88°W (Elev. 5052 ft)
Last Update:
3:45 pm AKDT Mar 21, 2026
Forecast Valid:
7pm AKDT Mar 21, 2026-6pm AKDT Mar 28, 2026
 
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