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

60°F

16°C

Humidity 65%
Wind Speed Vrbl 7 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Aug 3:53 pm AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: Scattered showers. Mostly sunny, with a high near 50. Southeast wind around 10 mph. Chance of precipitation is 30%.

    High: 50 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Increasing clouds, with a low around 42. East wind around 10 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers before 10am, then rain, mainly after 10am. High near 44. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 44 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely before 10pm, then scattered showers after 10pm. Mostly cloudy, with a low around 42. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: Partly sunny, with a high near 49. Northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northwest wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 46.

    Low: 46 °F

    Cloudy

  • Tuesday

    Tuesday: A chance of showers. Cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 50. Southeast wind around 10 mph. Chance of precipitation is 30%.
Tonight
Scattered showers. Increasing clouds, with a low around 42. East wind around 10 mph. Chance of precipitation is 40%.
Saturday
Scattered showers before 10am, then rain, mainly after 10am. High near 44. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
Rain likely before 10pm, then scattered showers after 10pm. Mostly cloudy, with a low around 42. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 49. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 39. Northwest wind 5 to 10 mph.
Monday
Partly sunny, with a high near 53.
Monday Night
Cloudy, with a low around 46.
Tuesday
A chance of showers. Cloudy, with a high near 51.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 42.
Thursday
A chance of showers. Mostly cloudy, with a high near 53.
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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:
2:03 pm AKDT Aug 21, 2026
Forecast Valid:
4pm AKDT Aug 21, 2026-6pm AKDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation