Alliston
October
Weather in Alliston for October 2025
Your guide to Alliston weather in October - trends and predictions
With an average of 4 snowy days, Alliston usually enjoys a light touch of snow in October.
In general, the average temperature in Alliston at the beginning of October is 21.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °C by the end of October.
Halloween weather in Alliston 🎃 - See the complete forecast for Thursday, 31 October.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
14
Dry days
13
Rainy days
4
Snow days
15°/6°
Temperatures
21 km/h
Avg max wind
74 %
Avg humidity
Alliston in October average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  24° | 3 26° | 4  23° | 5  21° | ||
| 6  20° | 7 11° | 8 10° | 9 10° | 10 10° | 11 16° | 12  14° |
| 13 11° | 14 10° | 15 7° | 16 11° | 17 14° | 18 17° | 19 18° |
| 20 19° | 21 17° | 22  15° | 23 14° | 24 14° | 25 14° | 26  15° |
| 27 15° | 28 11° | 29 10° | 30  13° | 31 12° |
You can click on date
Access Alliston weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during October in Alliston
See the weather trend as well as the moving average line
October weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. | Mist | 23° /12° | 1.6 mm | 0 cm | |
| 2 Oct. | Partly cloudy | 24° /12° | 8.4 mm | 0 cm | |
| 3 Oct. | Partly cloudy | 26° /10° | 0 mm | 0 cm | |
| 4 Oct. | Sunny | 23° /13° | 0 mm | 0 cm | |
| 5 Oct. | Thundery outbreaks possible | 21° /12° | 1.3 mm | 0 cm | |
| 6 Oct. | Light rain shower | 20° /8° | 18.5 mm | 0 cm | |
| 7 Oct. | Light rain shower | 11° /6° | 5.2 mm | 0 cm | |
| 8 Oct. | Light rain shower | 10° /6° | 6.8 mm | 0 cm | |
| 9 Oct. | Light rain shower | 10° /4° | 1.6 mm | 0 cm | |
| 10 Oct. | Patchy rain possible | 10° /3° | 0.1 mm | 0 cm | |
| 11 Oct. | Light rain shower | 16° /3° | 2.1 mm | 0 cm | |
| 12 Oct. | Overcast | 14° /6° | 0 mm | 0 cm | |
| 13 Oct. | Mist | 11° /4° | 0 mm | 0 cm | |
| 14 Oct. | Overcast | 10° /3° | 0 mm | 0 cm | |
| 15 Oct. | Patchy rain possible | 7° /2° | 2.2 mm | 0 cm | |
| 16 Oct. | Overcast | 11° /3° | 0 mm | 0 cm | |
| 17 Oct. | Overcast | 14° /1° | 0 mm | 0 cm | |
| 18 Oct. | Mist | 17° /3° | 0 mm | 0 cm | |
| 19 Oct. | Overcast | 18° /5° | 0 mm | 0 cm | |
| 20 Oct. | Light rain shower | 19° /7° | 2.3 mm | 0 cm | |
| 21 Oct. | Patchy rain possible | 17° /8° | 0.3 mm | 0 cm | |
| 22 Oct. | Heavy snow | 15° /5° | 1.6 mm | 0.9 cm | |
| 23 Oct. | Overcast | 14° /3° | 0 mm | 0 cm | |
| 24 Oct. | Light rain shower | 14° /3° | 1.8 mm | 0 cm | |
| 25 Oct. | Patchy rain possible | 14° /7° | 3.3 mm | 0 cm | |
| 26 Oct. | Light rain | 15° /7° | 2.4 mm | 0 cm | |
| 27 Oct. | Light drizzle | 15° /8° | 0.6 mm | 0 cm | |
| 28 Oct. | Overcast | 11° /1° | 0.3 mm | 0 cm | |
| 29 Oct. | Heavy snow | 10° /3° | 14.3 mm | 1.5 cm | |
| 30 Oct. | Moderate or heavy snow showers | 13° /7° | 0.7 mm | 0.2 cm | |
| 31 Oct. | Moderate or heavy snow showers | 12° /5° | 0.9 mm | 0.2 cm | |
| Next | |||||
Important Notice
Our weather forecast for Alliston in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Alliston forecast closer to your planned date for the most up-to-date weather information.
Alliston in October - FAQ
What are the expected maximum and minimum temperatures in Alliston during October?
During October, expect a variety of temperatures with highs around 15° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Alliston during October?
Moderate rainfall is anticipated in Alliston during October, with a total of 76.4 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
Will it snow in Alliston in October 2025?
Alliston experiences an average snowfall of 2.88 cm during October, occurring over 4 days.
What are the typical wind conditions in Alliston during October?
The average wind speed in Alliston during October is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Alliston snow forecast October 2025
Track daily snowfall levels and discover Alliston’s snowy potential this October ❄️
October rainfall patterns in Alliston
Explore the daily rainfall trends and prepare for Allistons October weather 💧
UV exposure in Alliston during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Quick links
You are here
Where is Alliston?Get accurate weather forecasts for Alliston, located at latitude 44.15 and longitude -79.866. Stay updated with localized weather information tailored for Alliston.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.