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

69°F

21°C

Humidity 45%
Wind Speed E 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 30 Jul 4:53 pm AKDT
Extended Forecast for

4 Miles NNW Alyeska AK

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind around 5 mph becoming northeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. Northeast wind around 5 mph becoming calm in the morning.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Northwest wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Calm wind becoming south around 5 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 10am. Cloudy, with a high near 46.

    High: 46 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind around 5 mph becoming northeast after midnight.
Friday
Sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 60. Northeast wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 48. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming south around 5 mph.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A chance of showers after 10am. Cloudy, with a high near 46.
Monday Night
Showers likely. Cloudy, with a low around 40.
Tuesday
Showers likely, mainly before 10am. Cloudy, with a high near 45.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 41.
Thursday
A chance of showers. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Alyeska AK
 61.02°N 149.17°W (Elev. 3599 ft)
Last Update:
1:11 pm AKDT Jul 30, 2026
Forecast Valid:
5pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation