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

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 3 Sep 1:53 am AKDT
Extended Forecast for

Alyeska AK

  • Overnight

    Overnight: Partly cloudy, with a low around 40. North wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. North wind around 5 mph becoming calm.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Calm wind becoming northeast around 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 10am. Mostly cloudy, with a high near 62. Southeast wind around 5 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 46. Southeast wind around 10 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain, mainly before 10am, then showers likely after 10am. High near 59. Southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 59 °F

    Rain

  • Saturday Night

    Saturday Night: Showers likely, mainly between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers after 10am. Cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. North wind around 5 mph.
Thursday
Sunny, with a high near 64. North wind around 5 mph becoming calm.
Thursday Night
Mostly cloudy, with a low around 47. Calm wind becoming northeast around 5 mph.
Friday
A chance of rain after 10am. Mostly cloudy, with a high near 62. Southeast wind around 5 mph. Chance of precipitation is 30%.
Friday Night
Rain. Low around 46. Southeast wind around 10 mph. Chance of precipitation is 80%.
Saturday
Rain, mainly before 10am, then showers likely after 10am. High near 59. Southeast wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A chance of showers after 10am. Cloudy, with a high near 57.
Sunday Night
A chance of showers. Cloudy, with a low around 49.
Labor Day
A chance of showers. Cloudy, with a high near 56.
Monday Night
A chance of showers. Cloudy, with a low around 49.
Tuesday
Showers likely. Cloudy, with a high near 55.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers. Mostly cloudy, with a high near 57.
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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:
8:28 pm AKDT Sep 2, 2026
Forecast Valid:
2am AKDT Sep 3, 2026-6pm AKDT Sep 9, 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