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

30°F

-1°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 15 Feb 5:53 pm AKST
Extended Forecast for

5 Miles N Alyeska AK

  • Tonight

    Tonight: A slight chance of snow before 9pm. Partly cloudy, with a low around 6. Northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Chance of precipitation is 20%.

    Low: 6 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 24. North wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a temperature rising to around 17 by 4am. Northeast wind 5 to 10 mph becoming light north after midnight.

    Low: 10 °F⇑

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Northwest wind around 5 mph becoming calm.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. North wind around 5 mph becoming calm.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 25. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 50%.

    High: 25 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.

    Low: 12 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 20.

    High: 20 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 3am. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow before 9pm. Partly cloudy, with a low around 6. Northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Chance of precipitation is 20%.
Washington's Birthday
Sunny, with a high near 24. North wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
Increasing clouds, with a temperature rising to around 17 by 4am. Northeast wind 5 to 10 mph becoming light north after midnight.
Tuesday
Mostly sunny, with a high near 22. Northwest wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 16. North wind around 5 mph becoming calm.
Wednesday
A chance of snow. Mostly cloudy, with a high near 25. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
Thursday
A chance of snow. Mostly cloudy, with a high near 20.
Thursday Night
A chance of snow before 3am. Mostly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 14.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Mostly sunny, with a high near 14.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Alyeska AK
 61.02°N 149.11°W (Elev. 2215 ft)
Last Update:
3:57 pm AKST Feb 15, 2026
Forecast Valid:
6pm AKST Feb 15, 2026-6pm AKST Feb 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation