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

0°F

-18°C

Humidity 87%
Wind Speed Calm
Barometer 29.74 in (1007.2 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 21 Mar 11:53 pm AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • Overnight

    Overnight: Mostly clear, with a low around 12. Northeast wind around 5 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of snow showers after 4pm. Mostly sunny, with a high near 25. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 10%.

    High: 25 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A slight chance of snow showers between 10pm and 1am. Partly cloudy, with a low around 9. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.

    Low: 9 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 22. North wind around 5 mph becoming west in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. Northwest wind around 5 mph becoming northeast in the evening.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 20. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 20 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 12. Northeast wind around 5 mph.
Sunday
A slight chance of snow showers after 4pm. Mostly sunny, with a high near 25. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 10%.
Sunday Night
A slight chance of snow showers between 10pm and 1am. Partly cloudy, with a low around 9. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 22. North wind around 5 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 5. Northwest wind around 5 mph becoming northeast in the evening.
Tuesday
Partly sunny, with a high near 20. Northeast wind around 5 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 2.
Wednesday
Sunny, with a high near 20.
Wednesday Night
Mostly clear, with a low around 5.
Thursday
Sunny, with a high near 23.
Thursday Night
Mostly clear, with a low around 7.
Friday
Sunny, with a high near 24.
Friday Night
Mostly clear, with a low around 10.
Saturday
Sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Alyeska AK
 61°N 149.22°W (Elev. 2651 ft)
Last Update:
8:29 pm AKDT Mar 21, 2026
Forecast Valid:
12am AKDT Mar 22, 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