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Weather in Markham for October 2025

Your guide to Markham weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Markham at the beginning of October is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °C by the end of October.

  • Rain 🌧️

  • Markham experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 56 mm.

  • More

  • Halloween weather in Markham 🎃 - See the complete forecast for Thursday, 31 October.

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Markham in October average weather

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Temperatures trend during October in Markham

See the weather trend as well as the moving average line

October weather day by day

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Date Weather Temperatures Rain UV More
1 Oct. Partly cloudy
Partly cloudy
24° /14° 0 mm 6
2 Oct. Cloudy
Cloudy
23° /14° 6.6 mm 5
3 Oct. Mist
Mist
26° /12° 0 mm 7
4 Oct. Mist
Mist
23° /12° 0 mm 5
5 Oct. Mist
Mist
21° /11° 0.9 mm 5
6 Oct. Heavy rain
Heavy rain
20° /12° 21.8 mm 5
7 Oct. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
14° /8° 4.3 mm 3
8 Oct. Patchy rain possible
Patchy rain possible
12° /6° 0.3 mm 3
9 Oct. Patchy rain possible
Patchy rain possible
12° /5° 0.1 mm 3
10 Oct. Partly cloudy
Partly cloudy
13° /3° 0 mm 4
11 Oct. Patchy rain possible
Patchy rain possible
17° /4° 1.1 mm 4
12 Oct. Overcast
Overcast
15° /7° 0 mm 4
13 Oct. Mist
Mist
12° /4° 0 mm 3
14 Oct. Patchy rain possible
Patchy rain possible
10° /5° 0.3 mm 3
15 Oct. Patchy rain possible
Patchy rain possible
9° /3° 0.2 mm 3
16 Oct. Overcast
Overcast
13° /4° 0.1 mm 4
17 Oct. Overcast
Overcast
15° /3° 0 mm 4
18 Oct. Overcast
Overcast
16° /5° 0 mm 5
19 Oct. Light rain
Light rain
16° /6° 1.4 mm 4
20 Oct. Light rain shower
Light rain shower
17° /9° 2.6 mm 4
21 Oct. Patchy rain possible
Patchy rain possible
17° /8° 0 mm 5
22 Oct. Light sleet showers
Light sleet showers
13° /7° 0.7 mm 4
23 Oct. Cloudy
Cloudy
16° /4° 0 mm 4
24 Oct. Thundery outbreaks possible
Thundery outbreaks possible
13° /5° 0.4 mm 4
25 Oct. Light rain
Light rain
15° /8° 1.3 mm 4
26 Oct. Light rain
Light rain
15° /9° 1.1 mm 4
27 Oct. Patchy rain possible
Patchy rain possible
15° /9° 0.8 mm 5
28 Oct. Partly cloudy
Partly cloudy
13° /2° 0.3 mm 4
29 Oct. Moderate rain
Moderate rain
10° /3° 10.6 mm 3
30 Oct. Light drizzle
Light drizzle
14° /7° 0.8 mm 3
31 Oct. Patchy rain possible
Patchy rain possible
13° /6° 0.3 mm 4
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Important Notice
Our weather forecast for Markham 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 Markham forecast closer to your planned date for the most up-to-date weather information.

Markham in October - FAQ

What are the expected maximum and minimum temperatures in Markham during October?
During October, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Markham during October?
Moderate rainfall is anticipated in Markham during October, with a total of 56 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Markham during October?
The average wind speed in Markham during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Markham

Explore the daily rainfall trends and prepare for Markhams October weather 💧

UV exposure in Markham during October

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

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Location coordinates Where is Markham?

Get accurate weather forecasts for Markham, located at latitude 43.867 and longitude -79.266. Stay updated with localized weather information tailored for Markham.

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