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.

Mostly Cloudy

20°F

-7°C

Humidity 71%
Wind Speed W 7 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 17 Feb 10:53 am AKST
Extended Forecast for

10 Miles N Alyeska AK

  • Today

    Today: Mostly sunny, with a high near 18. North wind around 5 mph becoming calm in the afternoon.

    High: 18 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of snow after 3am. Mostly cloudy, with a low around 16. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 16 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 20. Southeast wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 20 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 13. East wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 15. Northwest wind 20 to 25 mph, with gusts as high as 55 mph.

    High: 15 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -8. North wind around 20 mph, with gusts as high as 50 mph.

    Low: -8 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 3.

    High: 3 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -5.

    Low: -5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 13.

    High: 13 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 18. North wind around 5 mph becoming calm in the afternoon.
Tonight
A slight chance of snow after 3am. Mostly cloudy, with a low around 16. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 20. Southeast wind 10 to 15 mph. Chance of precipitation is 50%.
Wednesday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 13. East wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 15. Northwest wind 20 to 25 mph, with gusts as high as 55 mph.
Thursday Night
Mostly cloudy, with a low around -8. North wind around 20 mph, with gusts as high as 50 mph.
Friday
Sunny, with a high near 3.
Friday Night
Mostly clear, with a low around -5.
Saturday
Sunny, with a high near 13.
Saturday Night
Mostly clear, with a low around 3.
Sunday
Sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Alyeska AK
 61.1°N 149.16°W (Elev. 4196 ft)
Last Update:
5:27 am AKST Feb 17, 2026
Forecast Valid:
11am AKST Feb 17, 2026-6pm AKST Feb 23, 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