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

49°F

9°C

Humidity 71%
Wind Speed NW 5 mph
Barometer 29.59 in (1002.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 29 Sep 5:53 pm AKDT
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind becoming north around 5 mph in the evening.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 4am. Increasing clouds, with a low around 37. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Clear
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain. High near 48. East wind around 5 mph. Chance of precipitation is 80%.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 4am. Low around 40. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: A chance of rain before 10am. Cloudy, with a high near 48. East wind around 5 mph. Chance of precipitation is 50%.

    High: 48 °F

    Chance Rain
    then Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind becoming north around 5 mph in the evening.
Tuesday
Sunny, with a high near 52. Calm wind.
Tuesday Night
A chance of rain after 4am. Increasing clouds, with a low around 37. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.
Wednesday
Rain. High near 48. East wind around 5 mph. Chance of precipitation is 80%.
Wednesday Night
Rain, mainly before 4am. Low around 40. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday
A chance of rain before 10am. Cloudy, with a high near 48. East wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
Rain likely after 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly cloudy, with a high near 49.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Cloudy, with a high near 48.
Saturday Night
A chance of rain. Cloudy, with a low around 41.
Sunday
Rain likely. Cloudy, with a high near 49.
Sunday Night
Rain. Cloudy, with a low around 41.
Monday
Rain. Cloudy, with a high near 48.
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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:
3:18 pm AKDT Sep 29, 2025
Forecast Valid:
6pm AKDT Sep 29, 2025-6pm AKDT Oct 6, 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