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.

Fog

33°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in (1013.4 mb)
Dewpoint 33°F (1°C)
Visibility 0.50 mi
Last update 4 Dec 6:53 pm AKST
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Rain likely before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Low around 26. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow

  • Friday

    Friday: Snow likely, mainly before 9am. Mostly cloudy, with a temperature falling to around 22 by 5pm. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F⇓

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow, mainly between 9pm and 3am. Mostly cloudy, with a low around 10. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.

    Low: 10 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon, then a chance of snow after 3pm. Mostly cloudy, with a high near 14. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 14 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 9. North wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 9 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 18. North wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 18 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.

    Low: 9 °F

    Chance Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 15.

    High: 15 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow

Detailed Forecast

Tonight
Rain likely before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Low around 26. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before 9am. Mostly cloudy, with a temperature falling to around 22 by 5pm. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow, mainly between 9pm and 3am. Mostly cloudy, with a low around 10. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before noon, then a chance of snow after 3pm. Mostly cloudy, with a high near 14. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 9. North wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 18. North wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
Monday
A chance of snow. Mostly cloudy, with a high near 15.
Monday Night
A chance of snow. Mostly cloudy, with a low around 4.
Tuesday
A chance of snow. Mostly cloudy, with a high near 9.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 4.
Wednesday
A chance of snow. Mostly sunny, with a high near 8.
Wednesday Night
A chance of snow. Partly cloudy, with a low around 4.
Thursday
Sunny, with a high near 10.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
4:08 pm AKST Dec 4, 2025
Forecast Valid:
7pm AKST Dec 4, 2025-6pm AKST Dec 11, 2025
 
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