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

61°F

16°C

Humidity 67%
Wind Speed Vrbl 6 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 14 Aug 11:53 pm AKDT
Extended Forecast for

13 Miles NNE Alyeska AK

  • Overnight

    Overnight: Partly cloudy, with a low around 44. Calm wind becoming south around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 50. Southeast wind around 5 mph.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 41. Southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 45. Southeast wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 80%.

    High: 45 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then showers likely after 1am. The rain could be heavy at times. Low around 42. Southeast wind 35 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Heavy Rain

  • Monday

    Monday: Showers likely. Cloudy, with a high near 45. Southeast wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.

    High: 45 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely before 10pm, then rain likely after 10pm. Cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Rain likely before 10am, then showers likely after 10am. Cloudy, with a high near 39.

    High: 39 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 36.

    Low: 36 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Calm wind becoming south around 5 mph.
Saturday
Partly sunny, with a high near 50. Southeast wind around 5 mph.
Saturday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 41. Southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Sunday
Rain. High near 45. Southeast wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 1am, then showers likely after 1am. The rain could be heavy at times. Low around 42. Southeast wind 35 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.
Monday
Showers likely. Cloudy, with a high near 45. Southeast wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.
Monday Night
Showers likely before 10pm, then rain likely after 10pm. Cloudy, with a low around 36. Chance of precipitation is 60%.
Tuesday
Rain likely before 10am, then showers likely after 10am. Cloudy, with a high near 39.
Tuesday Night
Showers likely. Cloudy, with a low around 36.
Wednesday
Showers likely. Cloudy, with a high near 40.
Wednesday Night
Showers likely. Cloudy, with a low around 36.
Thursday
A chance of showers. Cloudy, with a high near 42.
Thursday Night
A chance of showers. Cloudy, with a low around 37.
Friday
Showers likely. Cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Alyeska AK
 61.13°N 148.94°W (Elev. 5630 ft)
Last Update:
11:32 pm AKDT Aug 14, 2026
Forecast Valid:
12am AKDT Aug 15, 2026-6pm AKDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation