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

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer NA
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 6 Jul 2:53 am AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 42. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Isolated
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 60. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 48. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Light and variable wind becoming southeast 10 to 15 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. East wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Cloudy, with a high near 50. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 50 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers before 10pm. Cloudy, with a low around 42. Chance of precipitation is 40%.

    Low: 42 °F

    Scattered
    Showers then
    Cloudy

  • Thursday

    Thursday: A chance of showers before 4pm. Cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 42. Northeast wind around 5 mph. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 60. Northwest wind around 5 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 48. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 62. Light and variable wind becoming southeast 10 to 15 mph in the morning.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. East wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 10am. Cloudy, with a high near 50. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers before 10pm. Cloudy, with a low around 42. Chance of precipitation is 40%.
Thursday
A chance of showers before 4pm. Cloudy, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A chance of showers. Partly sunny, with a high near 56.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 43.
Sunday
A chance of showers. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Alyeska AK
 61°N 149.22°W (Elev. 2651 ft)
Last Update:
3:02 am AKDT Jul 6, 2026
Forecast Valid:
3am AKDT Jul 6, 2026-6pm AKDT Jul 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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