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.

Overcast

47°F

8°C

Humidity 97%
Wind Speed Calm
Barometer 29.89 in (1012.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 Aug 3:53 am AKDT
Extended Forecast for

5 Miles N Alyeska AK

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 44. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 54. Northeast wind around 5 mph becoming calm. Chance of precipitation is 10%.

    High: 54 °F

    Isolated
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. North wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain. High near 48. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 10pm. Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 44. Northeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
Isolated showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 54. Northeast wind around 5 mph becoming calm. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 42. North wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Rain. High near 48. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
Rain. Low around 43. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of showers before 10pm. Partly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 54.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
A chance of showers. Cloudy, with a high near 49.
Friday Night
A chance of showers. Cloudy, with a low around 40.
Saturday
A chance of showers. Cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Alyeska AK
 61.02°N 149.11°W (Elev. 2215 ft)
Last Update:
1:12 am AKDT Aug 23, 2026
Forecast Valid:
5am AKDT Aug 23, 2026-6pm AKDT Aug 29, 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