National Weather Service Forecast for: Ketchikan AK
Issued by: National Weather Service Juneau, AK
Updated: 9:57 pm AKDT Aug 19, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 57. Calm wind becoming northwest around 5 mph after midnight.
Mostly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 58. Northwest wind around 10 mph.
Partly Cloudy

Friday

Friday: Mostly sunny, with a high near 66. West wind 5 to 10 mph.
Mostly Sunny

Friday
Night
Friday Night: A 30 percent chance of rain after 1am.  Mostly cloudy, with a low around 58. Northwest wind around 5 mph.
Mostly Cloudy
then Chance
Rain
Saturday

Saturday: A 50 percent chance of rain.  Mostly cloudy, with a high near 62.
Chance Rain

Saturday
Night
Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 56.
Chance Rain

Sunday

Sunday: Rain likely, mainly after 10am.  Cloudy, with a high near 59.
Rain Likely

Sunday
Night
Sunday Night: Rain.  Cloudy, with a low around 56.
Rain

Lo 57 °F Hi 66 °F Lo 58 °F Hi 66 °F Lo 58 °F Hi 62 °F Lo 56 °F Hi 59 °F Lo 56 °F

 

Tonight
 
Mostly cloudy, with a low around 57. Calm wind becoming northwest around 5 mph after midnight.
Thursday
 
Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.
Thursday Night
 
Partly cloudy, with a low around 58. Northwest wind around 10 mph.
Friday
 
Mostly sunny, with a high near 66. West wind 5 to 10 mph.
Friday Night
 
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 58. Northwest wind around 5 mph.
Saturday
 
A 50 percent chance of rain. Mostly cloudy, with a high near 62.
Saturday Night
 
A 50 percent chance of rain. Mostly cloudy, with a low around 56.
Sunday
 
Rain likely, mainly after 10am. Cloudy, with a high near 59.
Sunday Night
 
Rain. Cloudy, with a low around 56.
Monday
 
Rain likely. Cloudy, with a high near 61.
Monday Night
 
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Tuesday
 
A chance of rain. Mostly cloudy, with a high near 63.
Tuesday Night
 
A chance of rain. Mostly cloudy, with a low around 56.
Wednesday
 
A chance of rain. Mostly cloudy, with a high near 63.

 

Forecast from NOAA-NWS for Ketchikan AK.