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.

Overcast

52°F

11°C

Humidity 77%
Wind Speed E 9 mph
Barometer NA
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 Jun 1:53 am AKDT
Extended Forecast for

Alyeska AK

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 10am. Cloudy, with a high near 62. Calm wind. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 1am, then isolated showers between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain after 7am. Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain before 1am, then scattered showers after 1am. Mostly cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Cloudy, with a high near 61. Southeast wind around 5 mph. Chance of precipitation is 50%.

    High: 61 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of showers before 10am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. Calm wind.
Sunday
A slight chance of rain after 10am. Cloudy, with a high near 62. Calm wind. Chance of precipitation is 20%.
Sunday Night
A slight chance of rain before 1am, then isolated showers between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 20%.
Monday
A chance of rain after 7am. Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain before 1am, then scattered showers after 1am. Mostly cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 40%.
Tuesday
A chance of rain. Cloudy, with a high near 61. Southeast wind around 5 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Cloudy, with a low around 47. Chance of precipitation is 40%.
Wednesday
A chance of showers before 10am. Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
1:52 am AKDT Jun 21, 2026
Forecast Valid:
2am AKDT Jun 21, 2026-6pm AKDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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