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

24°F

-4°C

Humidity 77%
Wind Speed W 6 mph
Barometer 29.30 in (992.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 5 Dec 8:53 pm AKST
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after noon. Partly sunny, with a high near 13. Calm wind. Chance of precipitation is 20%.

    High: 13 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 9. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 9 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 18. Calm wind.

    High: 18 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 3am. Mostly cloudy, with a low around 11. North wind 5 to 15 mph. Chance of precipitation is 40%.

    Low: 11 °F

    Partly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 9am. Mostly cloudy, with a high near 18. North wind around 15 mph. Chance of precipitation is 40%.

    High: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A chance of snow after 9pm. Mostly cloudy, with a low around 3. Chance of precipitation is 30%.

    Low: 3 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 9.

    High: 9 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 7. Calm wind.
Saturday
A slight chance of snow after noon. Partly sunny, with a high near 13. Calm wind. Chance of precipitation is 20%.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 9. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 18. Calm wind.
Sunday Night
A chance of snow after 3am. Mostly cloudy, with a low around 11. North wind 5 to 15 mph. Chance of precipitation is 40%.
Monday
A chance of snow before 9am. Mostly cloudy, with a high near 18. North wind around 15 mph. Chance of precipitation is 40%.
Monday Night
A chance of snow after 9pm. Mostly cloudy, with a low around 3. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 9.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 3.
Wednesday
A chance of snow before 3pm. Mostly sunny, with a high near 8.
Wednesday Night
Mostly clear, with a low around 2.
Thursday
Sunny, with a high near 8.
Thursday Night
Mostly clear, with a low around 2.
Friday
Sunny, with a high near 8.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
3:16 pm AKST Dec 5, 2025
Forecast Valid:
9pm AKST Dec 5, 2025-6pm AKST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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