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

55°F

13°C

Humidity 53%
Wind Speed Vrbl 7 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 1 Sep 12:53 pm AKDT
Extended Forecast for

Alyeska AK

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 5 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. North wind 5 to 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. North wind around 5 mph becoming calm in the morning.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 10pm. Mostly cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before 10am, then a chance of showers after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: Showers likely, mainly after 10pm. Cloudy, with a low around 49.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers. Cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Mostly clear, with a low around 33. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 57. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40. North wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 62. North wind around 5 mph becoming calm in the morning.
Thursday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 50%.
Friday
A chance of rain before 10am, then a chance of showers after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Friday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 49.
Saturday
A chance of showers. Cloudy, with a high near 58.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Cloudy, with a high near 55.
Sunday Night
A chance of showers. Cloudy, with a low around 49.
Labor Day
A chance of showers. Cloudy, with a high near 55.
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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:
12:38 pm AKDT Sep 1, 2026
Forecast Valid:
1pm AKDT Sep 1, 2026-6pm AKDT Sep 7, 2026
 
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