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

15°F

-9°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 20 Mar 10:53 pm AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers after 4pm. Mostly sunny, with a high near 22. North wind 5 to 10 mph. Chance of precipitation is 10%.

    High: 22 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A slight chance of snow showers before 7pm. Partly cloudy, with a low around 8. Northeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 8 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 24. Northeast wind around 5 mph becoming west in the afternoon.

    High: 24 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. West wind around 5 mph becoming north in the evening.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 22. Northwest wind around 5 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Tuesday Night

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

    Low: 2 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of snow showers after 4pm. Mostly sunny, with a high near 22. North wind 5 to 10 mph. Chance of precipitation is 10%.
Saturday Night
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 8. Northeast wind 5 to 10 mph. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 24. Northeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 7. West wind around 5 mph becoming north in the evening.
Monday
Sunny, with a high near 22. Northwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Sunny, with a high near 20.
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 8.
Friday
Mostly sunny, with a high near 24.
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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 20, 2026
Forecast Valid:
11pm AKDT Mar 20, 2026-6pm AKDT Mar 27, 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