NWS Forecast for Port Alsworth AK

National Weather Service Forecast for: Port Alsworth AK
Issued by: National Weather Service Anchorage, AK

Updated: 4:59 am AKDT Sep 13, 2026

Today Chance Rain	Tonight Chance Rain	Monday Rain Likely	Monday Night Rain	Tuesday Rain	Tuesday Night Rain	Wednesday Chance Showers	Wednesday Night Chance Showers then Mostly Cloudy	Thursday Chance Showers
Hi 64 °F	Lo 43 °F	Hi 63 °F	Lo 50 °F	Hi 59 °F	Lo 40 °F	Hi 56 °F	Lo 38 °F	Hi 56 °F

Today	A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 64. Calm wind. Chance of precipitation is 30%.
Tonight	A chance of rain. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 50%.
Monday	Rain likely. Cloudy, with a high near 63. Calm wind. Chance of precipitation is 70%.
Monday Night	Rain. Low around 50. Southeast wind around 5 mph becoming calm. Chance of precipitation is 100%.
Tuesday	Rain. High near 59. Calm wind becoming southeast around 5 mph. Chance of precipitation is 100%.
Tuesday Night	Rain, mainly before 1am. Low around 40. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday	A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Wednesday Night	A chance of showers before 10pm. Mostly cloudy, with a low around 38.
Thursday	A chance of showers before 4pm. Mostly cloudy, with a high near 56.
Thursday Night	A chance of showers after 10pm. Mostly cloudy, with a low around 39.
Friday	A chance of showers. Cloudy, with a high near 55.
Friday Night	A chance of showers. Mostly cloudy, with a low around 38.
Saturday	A chance of showers. Partly sunny, with a high near 54.

Forecast from NOAA-NWS for Port Alsworth AK.