National Weather Service Forecast for: Port Alsworth AK
Issued by: National Weather Service Anchorage, AK
Updated: 9:40 pm AKDT Jun 21, 2026
 
Overnight

Overnight: Scattered showers. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.
Scattered
Showers
 Monday

Monday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 60%.
Showers
Likely
 Monday
Night
Monday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Showers
Likely
 Tuesday

Tuesday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 60%.
Showers
Likely
 Tuesday
Night
Tuesday Night: Showers, mainly before 1am, then rain after 1am. Low around 44. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%.
Rain
 Wednesday

Wednesday: Rain, mainly before 7am. High near 64. South wind around 5 mph. Chance of precipitation is 80%.
Rain then
Chance Rain
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 43.
Mostly Cloudy
 Thursday

Thursday: Partly sunny, with a high near 74.
Partly Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 45.
Mostly Cloudy
Lo 46 °F Hi 65 °F Lo 46 °F Hi 65 °F Lo 44 °F Hi 64 °F Lo 43 °F Hi 74 °F Lo 45 °F

 

Overnight
 
 Scattered showers. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.
Monday
 
 Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 60%.
Monday Night
 
 Showers likely, mainly after 4am. Mostly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
 
 Showers likely, mainly after 10am. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 60%.
Tuesday Night
 
 Showers, mainly before 1am, then rain after 1am. Low around 44. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%.
Wednesday
 
 Rain, mainly before 7am. High near 64. South wind around 5 mph. Chance of precipitation is 80%.
Wednesday Night
 
 Mostly cloudy, with a low around 43.
Thursday
 
 Partly sunny, with a high near 74.
Thursday Night
 
 Mostly cloudy, with a low around 45.
Friday
 
 Mostly cloudy, with a high near 74.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 43.
Saturday
 
 A chance of showers. Cloudy, with a high near 66.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 41.
Sunday
 
 A chance of showers. Mostly cloudy, with a high near 65.

 

Forecast from NOAA-NWS for Port Alsworth AK.