Simcoe County (Alliston)
October
Weather in Simcoe County for October 2025
Your guide to Simcoe County weather in October - trends and predictions
With an average of 4 snowy days, Simcoe County usually enjoys a light touch of snow in October.
In general, the average temperature in Simcoe County 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 Simcoe County 🎃 - 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
Simcoe County 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 Simcoe County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during October in Simcoe County
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 Simcoe County 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 Simcoe County forecast closer to your planned date for the most up-to-date weather information.
Simcoe County in October - FAQ
What are the expected maximum and minimum temperatures in Simcoe County 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 Simcoe County during October?
Moderate rainfall is anticipated in Simcoe County 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 Simcoe County in October 2025?
Simcoe County experiences an average snowfall of 2.88 cm during October, occurring over 4 days.
What are the typical wind conditions in Simcoe County during October?
The average wind speed in Simcoe County during October is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Simcoe County snow forecast October 2025
Track daily snowfall levels and discover Simcoe County’s snowy potential this October ❄️
October rainfall patterns in Simcoe County
Explore the daily rainfall trends and prepare for Simcoe Countys October weather 💧
UV exposure in Simcoe County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Top locations in Simcoe County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Simcoe County?Get accurate weather forecasts for Simcoe County, located at latitude 44.15 and longitude -79.866. Stay updated with localized weather information tailored for Simcoe County.
Found a mistake?
We appreciate your attention to details. Tell us here.