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.

Partly Cloudy

46°F

8°C

Humidity 51%
Wind Speed Vrbl 3 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 18 Apr 5:53 pm AKDT
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain. High near 39. East wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 39 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 1am, then scattered rain and snow showers. Cloudy, then gradually becoming partly cloudy, with a low around 31. Southeast wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow showers likely, mainly after 10am. Increasing clouds, with a high near 39. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%.

    High: 39 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain and snow showers, becoming all snow after 1am. Low around 29. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 29 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow likely before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%.

    High: 42 °F

    Snow Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 41.

    High: 41 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 36.

    Low: 36 °F

    Rain

Detailed Forecast

Tonight
Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%.
Sunday
Rain. High near 39. East wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely before 1am, then scattered rain and snow showers. Cloudy, then gradually becoming partly cloudy, with a low around 31. Southeast wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Rain and snow showers likely, mainly after 10am. Increasing clouds, with a high near 39. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%.
Monday Night
Rain and snow showers, becoming all snow after 1am. Low around 29. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Tuesday
Snow likely before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Wednesday
Rain. Cloudy, with a high near 41.
Wednesday Night
Rain. Cloudy, with a low around 36.
Thursday
Rain. Cloudy, with a high near 42.
Thursday Night
Rain. Cloudy, with a low around 37.
Friday
Rain. Cloudy, with a high near 43.
Friday Night
Rain. Cloudy, with a low around 36.
Saturday
Rain. Cloudy, with a high near 43.
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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:
3:27 pm AKDT Apr 18, 2026
Forecast Valid:
6pm AKDT Apr 18, 2026-6pm AKDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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