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Weather in Alliston for October 2026

Your guide to Alliston weather in October - trends and predictions

    Snow Forecast ❄️

  • With an average of 4 snowy days, Alliston usually enjoys a light touch of snow in October.
    According to Alliston snow forecast for October 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • The forecast for the first days of October 2026 in Alliston predicts a temperature of 15.9 °C , which is warmer than usual.

  • In general, the average temperature in Alliston at the beginning of October is 14.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.4 °C by the end of October.

    • More

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Average dry days
13
Dry days
Average rainy days
14
Rainy days
Average snowy days
4
Snow days
Average temperatures
15°/6°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Alliston Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light drizzle
21°
2
Light rain shower
20°
3
Sunny
19°
4
Light rain shower
18°
5
Patchy rain possible
10°
6
Patchy rain possible
7°
7
Overcast
7°
8
Sunny
7°
9
Patchy rain possible
7°
10
Patchy rain possible
12°
11
Light rain shower
15°
12
Overcast
14°
13
Overcast
12°
14
Overcast
13°
15
Patchy rain possible
8°
16
Overcast
12°
17
Overcast
12°
18
Mist
19°
19
Overcast
19°
20
Light rain shower
17°
21
Patchy rain possible
16°
22
Heavy snow
14°
23
Overcast
13°
24
Light rain shower
12°
25
Patchy rain possible
11°
26
Light rain
12°
27
Light drizzle
13°
28
Overcast
11°
29
Heavy snow
10°
30
Moderate or heavy snow showers
11°
31
Moderate or heavy snow showers
12°

Temperatures trend during October in Alliston

See the weather trend as well as the moving average line

October weather in Alliston day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
1 Oct. Light drizzle
Light drizzle
 21° /14° 8.7 mm 0 cm
2 Oct. Light rain shower
Light rain shower
 20° /13° 5 mm 0 cm
3 Oct. Sunny
Sunny
 19° /11° 0.1 mm 0 cm
4 Oct. Light rain shower
Light rain shower
 18° /10° 5.5 mm 0 cm
5 Oct. Patchy rain possible
Patchy rain possible
 10° /7° 1.8 mm 0 cm
6 Oct. Patchy rain possible
Patchy rain possible
 7° /2° 3.1 mm 0 cm
7 Oct. Overcast
Overcast
 7° /1° 0 mm 0 cm
8 Oct. Sunny
Sunny
 7° /0° 0 mm 0 cm
9 Oct. Patchy rain possible
Patchy rain possible
 7° /3° 1.4 mm 0 cm
10 Oct. Patchy rain possible
Patchy rain possible
 12° /2° 0.1 mm 0 cm
11 Oct. Light rain shower
Light rain shower
 15° /6° 4.2 mm 0 cm
12 Oct. Overcast
Overcast
 14° /7° 0 mm 0 cm
13 Oct. Overcast
Overcast
 12° /6° 0 mm 0 cm
14 Oct. Overcast
Overcast
 13° /5° 0 mm 0 cm
15 Oct. Patchy rain possible
Patchy rain possible
 8° /3° 1.5 mm 0 cm
16 Oct. Overcast
Overcast
 12° /3° 0 mm 0 cm
17 Oct. Overcast
Overcast
 12° /2° 7.8 mm 0 cm
18 Oct. Mist
Mist
 19° /5° 0 mm 0 cm
19 Oct. Overcast
Overcast
 19° /8° 4.8 mm 0 cm
20 Oct. Light rain shower
Light rain shower
 17° /7° 1.6 mm 0 cm
21 Oct. Patchy rain possible
Patchy rain possible
 16° /6° 0.2 mm 0 cm
22 Oct. Heavy snow
Heavy snow
 14° /4° 1.1 mm 0.6 cm
23 Oct. Overcast
Overcast
 13° /3° 0 mm 0 cm
24 Oct. Light rain shower
Light rain shower
 12° /3° 2.4 mm 0 cm
25 Oct. Patchy rain possible
Patchy rain possible
 11° /5° 2.2 mm 0 cm
26 Oct. Light rain
Light rain
 12° /5° 1.6 mm 0 cm
27 Oct. Light drizzle
Light drizzle
 13° /6° 0.4 mm 0 cm
28 Oct. Overcast
Overcast
 11° /1° 0.2 mm 0 cm
29 Oct. Heavy snow
Heavy snow
 10° /3° 9.5 mm 1 cm
30 Oct. Moderate or heavy snow showers
Moderate or heavy snow showers
 11° /5° 1.9 mm 0.2 cm
31 Oct. Moderate or heavy snow showers
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.
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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 70.2 mm spread over approximately 14 days. Considering plans for rainy days is advisable.

Will it snow in Alliston in October 2026?
Alliston experiences an average snowfall of 2 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 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Alliston snow forecast October 2026

Track daily snowfall levels and discover Alliston’s snowy potential this October ❄️
On average, Alliston sees 4 snowy days during October, with approximately 2 cm of total snowfall.

October rainfall patterns in Alliston

Explore the daily rainfall trends and prepare for Allistons October weather 💧
Typically, Alliston has 14 rainy days in October with a total of 70.2 mm of rainfall.

UV exposure in Alliston during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates 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.

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