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

16°F

-9°C

Humidity 49%
Wind Speed W 5 mph
Barometer NA
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 13 Mar 4:53 pm AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Calm wind becoming north around 5 mph.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 13. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 13 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 8 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 11. North wind around 5 mph becoming calm. Chance of precipitation is 40%.

    High: 11 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -2. North wind around 10 mph.

    Low: -2 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 5. Northwest wind around 10 mph.

    High: 5 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 9.

    High: 9 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around -7.

    Low: -7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Calm wind becoming north around 5 mph.
Saturday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 13. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow likely. Mostly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
A chance of snow. Mostly cloudy, with a high near 11. North wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around -2. North wind around 10 mph.
Monday
Partly sunny, with a high near 5. Northwest wind around 10 mph.
Monday Night
Mostly cloudy, with a low around -5.
Tuesday
Partly sunny, with a high near 9.
Tuesday Night
Mostly cloudy, with a low around -7.
Wednesday
Mostly sunny, with a high near 10.
Wednesday Night
Partly cloudy, with a low around -10.
Thursday
Mostly sunny, with a high near 11.
Thursday Night
A chance of snow. Mostly cloudy, with a low around -4.
Friday
A chance of snow. Mostly cloudy, with a high near 12.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Alyeska AK
 61°N 149.22°W (Elev. 2651 ft)
Last Update:
3:04 pm AKDT Mar 13, 2026
Forecast Valid:
5pm AKDT Mar 13, 2026-6pm AKDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation