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.

A Few Clouds

57°F

14°C

Humidity 87%
Wind Speed E 8 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 10 Aug 11:53 pm AKDT
Extended Forecast for

6 Miles ENE Alyeska AK

  • Overnight

    Overnight: Isolated showers before 4am. Widespread haze. Partly cloudy, with a low around 48. Calm wind. Chance of precipitation is 20%.

    Low: 48 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly between 10am and 4pm. Widespread haze. Mostly sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 54 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers before 7pm. Widespread haze before 10pm. Mostly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 45 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. East wind around 5 mph becoming calm.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Calm wind becoming northeast around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers before 4am. Widespread haze. Partly cloudy, with a low around 48. Calm wind. Chance of precipitation is 20%.
Tuesday
Scattered showers, mainly between 10am and 4pm. Widespread haze. Mostly sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Isolated showers before 7pm. Widespread haze before 10pm. Mostly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 52. East wind around 5 mph becoming calm.
Wednesday Night
Mostly cloudy, with a low around 43. Calm wind becoming northeast around 5 mph.
Thursday
Mostly sunny, with a high near 56. Calm wind.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of showers. Partly sunny, with a high near 54.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 44.
Monday
A chance of showers. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Alyeska AK
 60.99°N 148.95°W (Elev. 2969 ft)
Last Update:
11:01 pm AKDT Aug 10, 2026
Forecast Valid:
12am AKDT Aug 11, 2026-6pm AKDT Aug 17, 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