Click on a day for an hourly weather forecast
The weather in Williston in October is very cold with temperatures between 4°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Williston during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Williston during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Williston.
Our weather forecast can give you a great sense of what weather to expect in Williston in October 2025.
If you’re planning to visit Williston in the near future, we highly recommend that you review the 14 day weather forecast for Williston before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -14° | 2 | 14 | 15 | 25 mm | Awful | Williston in January |
| February | -7° / -14° | 3 | 11 | 15 | 23 mm | Awful | Williston in February |
| March | 3° / -5° | 4 | 15 | 12 | 31 mm | Awful | Williston in March |
| April | 10° / 1° | 4 | 20 | 6 | 49 mm | Bad | Williston in April |
| May | 18° / 8° | 7 | 23 | 1 | 102 mm | Ok | Williston in May |
| June | 24° / 14° | 7 | 24 | 0 | 107 mm | Good | Williston in June |
| July | 29° / 17° | 4 | 27 | 0 | 81 mm | Good | Williston in July |
| August | 28° / 17° | 4 | 27 | 0 | 59 mm | Perfect | Williston in August |
| September | 23° / 12° | 3 | 27 | 0 | 54 mm | Perfect | Williston in September |
| October | 12° / 4° | 4 | 24 | 3 | 40 mm | Bad | Williston in October |
| November | 3° / -4° | 2 | 19 | 9 | 20 mm | Awful | Williston in November |
| December | -6° / -12° | 2 | 14 | 15 | 22 mm | Awful | Williston in December |