The weather in Sitka in October is very cold with temperatures between 4°C and 8°C, warm clothes are a must.
There’s going to be many days of rain during the month of October in Sitka.
Sitka should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Sitka in October 2025.
If you’re planning to visit Sitka in the near future, we highly recommend that you review the 14 day weather forecast for Sitka before you arrive.
Temperatures
8° / 4°
Rainy Days
16
Snowy Days
0
Dry Days
15
Rainfall
487
mm
Sun Hours
6.4
Hrs
