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Lake Clark National Park, AK Weather Forecast
Wx Discussion - Wx Hazards - Wx Aviation
NWS Forecast for Port Alsworth AK
National Weather Service Forecast for: Port Alsworth AK
Issued by: National Weather Service Anchorage, AK
Updated: 1:20 am AKDT Sep 17, 2026
 
Overnight

Overnight: A chance of rain. Cloudy, with a low around 42. Southwest wind around 5 mph. Chance of precipitation is 50%.
Chance Rain
 Thursday

Thursday: A chance of rain. Mostly cloudy, with a high near 54. Northeast wind around 5 mph. Chance of precipitation is 40%.
Chance Rain
 Thursday
Night
Thursday Night: Showers likely, mainly after 7pm. Cloudy, with a low around 40. East wind around 5 mph. Chance of precipitation is 70%.
Showers
Likely
 Friday

Friday: Showers likely before 1pm, then rain likely after 1pm. Cloudy, with a high near 50. East wind around 5 mph. Chance of precipitation is 70%.
Showers
Likely
 Friday
Night
Friday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%.
Showers
Likely
 Saturday

Saturday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 60%.
Showers
Likely
 Saturday
Night
Saturday Night: A chance of showers. Cloudy, with a low around 37. Chance of precipitation is 40%.
Chance
Showers
 Sunday

Sunday: A chance of showers. Cloudy, with a high near 50.
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers. Cloudy, with a low around 33.
Chance
Showers
Lo 42 °F Hi 54 °F Lo 40 °F Hi 50 °F Lo 36 °F Hi 52 °F Lo 37 °F Hi 50 °F Lo 33 °F

 

Overnight
 
 A chance of rain. Cloudy, with a low around 42. Southwest wind around 5 mph. Chance of precipitation is 50%.
Thursday
 
 A chance of rain. Mostly cloudy, with a high near 54. Northeast wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
 
 Showers likely, mainly after 7pm. Cloudy, with a low around 40. East wind around 5 mph. Chance of precipitation is 70%.
Friday
 
 Showers likely before 1pm, then rain likely after 1pm. Cloudy, with a high near 50. East wind around 5 mph. Chance of precipitation is 70%.
Friday Night
 
 Showers likely, mainly before 7pm. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%.
Saturday
 
 Showers likely, mainly after 10am. Mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 60%.
Saturday Night
 
 A chance of showers. Cloudy, with a low around 37. Chance of precipitation is 40%.
Sunday
 
 A chance of showers. Cloudy, with a high near 50.
Sunday Night
 
 A chance of showers. Cloudy, with a low around 33.
Monday
 
 A chance of rain and snow showers. Cloudy, with a high near 46.
Monday Night
 
 A chance of showers. Cloudy, with a low around 31.
Tuesday
 
 Partly sunny, with a high near 49.
Tuesday Night
 
 Mostly cloudy, with a low around 32.
Wednesday
 
 Partly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Port Alsworth AK.

Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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