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.

Light Rain

53°F

12°C

Humidity 83%
Wind Speed SE 6 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 22 Aug 11:53 am AKDT
Extended Forecast for

5 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: Rain. High near 40. Southeast wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

    High: 40 °F

    Rain

  • Tonight

    Tonight: Rain likely before 10pm, then scattered showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 38. East wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: Isolated showers before 7am. Mostly sunny, with a high near 44. North wind around 5 mph. Chance of precipitation is 10%.

    High: 44 °F

    Isolated
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Northwest wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 48. North wind around 5 mph becoming calm in the afternoon.

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of showers. Cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 46.

    High: 46 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Rain. High near 40. Southeast wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Tonight
Rain likely before 10pm, then scattered showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 38. East wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Sunday
Isolated showers before 7am. Mostly sunny, with a high near 44. North wind around 5 mph. Chance of precipitation is 10%.
Sunday Night
Mostly clear, with a low around 35. Northwest wind around 5 mph.
Monday
Partly sunny, with a high near 48. North wind around 5 mph becoming calm in the afternoon.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers. Cloudy, with a high near 44. Chance of precipitation is 40%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers. Partly sunny, with a high near 46.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 36.
Thursday
A chance of showers. Partly sunny, with a high near 46.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 36.
Friday
A chance of showers. Cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Alyeska AK
 61.02°N 149.22°W (Elev. 4324 ft)
Last Update:
12:38 pm AKDT Aug 22, 2026
Forecast Valid:
12pm AKDT Aug 22, 2026-6pm AKDT Aug 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation