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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: 1:23 pm AKDT Aug 27, 2026

This Afternoon Rain	Tonight Heavy Rain	Friday Showers	Friday Night Showers	Saturday Rain Likely then Partly Sunny	Saturday Night Partly Cloudy	Sunday Mostly Cloudy	Sunday Night Cloudy then Chance Showers	Monday Chance Showers then Partly Sunny
Hi 58 °F	Lo 49 °F	Hi 58 °F	Lo 46 °F	Hi 58 °F	Lo 44 °F	Hi 59 °F	Lo 42 °F	Hi 56 °F

This Afternoon	Rain, mainly after 4pm. High near 58. Calm wind. Chance of precipitation is 80%.
Tonight	Rain. The rain could be heavy at times. Low around 49. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday	Showers. High near 58. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Friday Night	Showers before 1am, then rain, mainly after 1am. Low around 46. West wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday	Rain likely, mainly before 7am. Mostly cloudy, with a high near 58. Northwest wind around 5 mph. Chance of precipitation is 60%.
Saturday Night	Partly cloudy, with a low around 44. Northwest wind 5 to 10 mph becoming light north in the evening.
Sunday	Mostly cloudy, with a high near 59.
Sunday Night	A chance of showers after 4am. Mostly cloudy, with a low around 42.
Monday	A chance of showers before 10am. Partly sunny, with a high near 56.
Monday Night	A chance of showers after 10pm. Mostly cloudy, with a low around 40.
Tuesday	A chance of showers. Partly sunny, with a high near 57.
Tuesday Night	A chance of showers. Mostly cloudy, with a low around 42.
Wednesday	Showers likely. Mostly cloudy, with a high near 59.

Forecast from NOAA-NWS for Port Alsworth AK.

Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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