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.

Mostly Cloudy

44°F

7°C

Humidity 100%
Wind Speed E 3 mph
Barometer NA
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Aug 1:53 am AKDT
Extended Forecast for

Alyeska AK

  • Overnight

    Overnight: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 45. North wind around 5 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 63. Northwest wind 5 to 10 mph. Chance of precipitation is 10%.

    High: 63 °F

    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. West wind around 5 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 48. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 48 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 55. East wind around 5 mph. Chance of precipitation is 90%.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain. Cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 10am, then a chance of showers after 4pm. Cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 45. North wind around 5 mph. Chance of precipitation is 50%.
Wednesday
A slight chance of rain before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 63. Northwest wind 5 to 10 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 45. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 63. West wind around 5 mph.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 48. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%.
Friday
Rain. High near 55. East wind around 5 mph. Chance of precipitation is 90%.
Friday Night
A chance of rain. Cloudy, with a low around 49. Chance of precipitation is 50%.
Saturday
A chance of rain before 10am, then a chance of showers after 4pm. Cloudy, with a high near 59.
Saturday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 47.
Sunday
A chance of showers between 10am and 4pm. Partly sunny, with a high near 61.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Mostly cloudy, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers. Mostly cloudy, with a high near 56.
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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:
9:08 pm AKDT Aug 25, 2026
Forecast Valid:
2am AKDT Aug 26, 2026-6pm AKDT Sep 1, 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