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.

Mostly Cloudy

32°F

0°C

Humidity 96%
Wind Speed Calm
Barometer 29.78 in (1008.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 23 Sep 7:53 am AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • Today

    Today: Mostly sunny, with a high near 45. North wind around 5 mph becoming calm in the morning.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind becoming east around 5 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Rain likely, mainly between 10am and 4pm. Increasing clouds, with a high near 42. East wind 10 to 15 mph. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain, mainly after 7pm. Low around 38. East wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain. High near 41. East wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    High: 41 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 35. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 35 °F

    Rain

  • Saturday

    Saturday: Rain before 10am, then showers after 10am. High near 38. Chance of precipitation is 100%.

    High: 38 °F

    Rain

  • Saturday Night

    Saturday Night: Showers. Cloudy, with a low around 35.

    Low: 35 °F

    Showers

  • Sunday

    Sunday: Showers. Cloudy, with a high near 38.

    High: 38 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 45. North wind around 5 mph becoming calm in the morning.
Tonight
Mostly clear, with a low around 34. Calm wind becoming east around 5 mph after midnight.
Thursday
Rain likely, mainly between 10am and 4pm. Increasing clouds, with a high near 42. East wind 10 to 15 mph. Chance of precipitation is 60%.
Thursday Night
Rain, mainly after 7pm. Low around 38. East wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Friday
Rain. High near 41. East wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Friday Night
Rain. Low around 35. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Saturday
Rain before 10am, then showers after 10am. High near 38. Chance of precipitation is 100%.
Saturday Night
Showers. Cloudy, with a low around 35.
Sunday
Showers. Cloudy, with a high near 38.
Sunday Night
Showers likely. Mostly cloudy, with a low around 34.
Monday
A chance of showers. Mostly cloudy, with a high near 37.
Monday Night
A chance of showers. Cloudy, with a low around 33.
Tuesday
A chance of rain and snow showers. Cloudy, with a high near 37.
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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:
2:57 am AKDT Sep 23, 2026
Forecast Valid:
8am AKDT Sep 23, 2026-6pm AKDT Sep 29, 2026
 
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