Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -2° | 18 | 4 | 10 | 501 mm | Awful | Sitka in January |
| February | 1° / -3° | 13 | 5 | 12 | 360 mm | Awful | Sitka in February |
| March | 3° / -2° | 13 | 4 | 16 | 336 mm | Awful | Sitka in March |
| April | 6° / 1° | 15 | 10 | 6 | 295 mm | Awful | Sitka in April |
| May | 10° / 5° | 12 | 19 | 0 | 210 mm | Bad | Sitka in May |
| June | 13° / 8° | 13 | 17 | 0 | 227 mm | Bad | Sitka in June |
| July | 15° / 10° | 12 | 19 | 0 | 224 mm | Ok | Sitka in July |
| August | 15° / 10° | 14 | 17 | 0 | 354 mm | Ok | Sitka in August |
| September | 13° / 8° | 14 | 16 | 0 | 441 mm | Bad | Sitka in September |
| October | 8° / 4° | 16 | 15 | 0 | 487 mm | Bad | Sitka in October |
| November | 3° / 0° | 17 | 6 | 8 | 534 mm | Awful | Sitka in November |
| December | 1° / -2° | 16 | 5 | 11 | 467 mm | Awful | Sitka in December |