Click on a day for an hourly weather forecast
The weather in Chilliwack in October is very cold with temperatures between 2°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Chilliwack. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Chilliwack in October 2025.
If you’re planning to visit Chilliwack in the near future, we highly recommend that you review the 14 day weather forecast for Chilliwack before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -4° | 15 | 12 | 5 | 370 mm | Awful | Chilliwack in January |
| February | 5° / -5° | 13 | 8 | 7 | 265 mm | Awful | Chilliwack in February |
| March | 7° / -3° | 18 | 9 | 5 | 349 mm | Awful | Chilliwack in March |
| April | 11° / -1° | 14 | 15 | 1 | 219 mm | Bad | Chilliwack in April |
| May | 17° / 2° | 10 | 21 | 0 | 170 mm | Ok | Chilliwack in May |
| June | 20° / 4° | 9 | 21 | 0 | 135 mm | Ok | Chilliwack in June |
| July | 24° / 6° | 4 | 27 | 0 | 58 mm | Perfect | Chilliwack in July |
| August | 25° / 7° | 4 | 27 | 0 | 62 mm | Perfect | Chilliwack in August |
| September | 20° / 4° | 9 | 21 | 0 | 168 mm | Ok | Chilliwack in September |
| October | 13° / 2° | 12 | 19 | 0 | 287 mm | Bad | Chilliwack in October |
| November | 7° / -1° | 16 | 13 | 1 | 434 mm | Bad | Chilliwack in November |
| December | 3° / -4° | 15 | 10 | 6 | 318 mm | Awful | Chilliwack in December |