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

41°F

5°C

Humidity 89%
Wind Speed W 5 mph
Barometer 29.69 in (1005.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 17 Oct 6:53 pm AKDT
Extended Forecast for

6 Miles N Alyeska AK

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. North wind around 10 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Northeast wind around 5 mph becoming calm in the morning.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Snow, mainly after 1am. Low around 21. Southeast wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Chance Snow
    then Snow

  • Monday

    Monday: Snow before 10am, then snow showers between 10am and 1pm, then snow likely after 1pm. High near 33. East wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%.

    High: 33 °F

    Snow

  • Monday Night

    Monday Night: Snow. Low around 29. Southeast wind around 5 mph. Chance of precipitation is 80%.

    Low: 29 °F

    Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. High near 34. East wind around 5 mph. Chance of precipitation is 90%.

    High: 34 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.

    Low: 24 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. Cloudy, with a high near 29.

    High: 29 °F

    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 27. Northeast wind around 5 mph becoming calm in the morning.
Sunday Night
Snow, mainly after 1am. Low around 21. Southeast wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow before 10am, then snow showers between 10am and 1pm, then snow likely after 1pm. High near 33. East wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%.
Monday Night
Snow. Low around 29. Southeast wind around 5 mph. Chance of precipitation is 80%.
Tuesday
Snow. The snow could be heavy at times. High near 34. East wind around 5 mph. Chance of precipitation is 90%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.
Wednesday
Snow. Cloudy, with a high near 29.
Wednesday Night
A chance of snow. Cloudy, with a low around 19.
Thursday
Mostly cloudy, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly cloudy, with a high near 29.
Friday Night
A chance of snow. Cloudy, with a low around 24.
Saturday
Snow likely. Cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Alyeska AK
 61.05°N 149.11°W (Elev. 3422 ft)
Last Update:
12:50 pm AKDT Oct 17, 2026
Forecast Valid:
7pm AKDT Oct 17, 2026-6pm AKDT Oct 24, 2026
 
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