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Weather in Markham for October 2026

Your guide to Markham weather in October - trends and predictions

    Temperatures

  • Until now, October 2026 in Markham has been nearly identical to the historical average, with a temperature of 16.7 °C (showing only a slight deviation of 0.4 °C).

  • The forecast for the coming days of October 2026 predicts a temperature of 14.2 °C , which is warmer than usual.

  • In general, the average temperature in Markham at the beginning of October is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.7 °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 103.4 mm.

    • More

  • Is October a good time to visit Markham? check out the best time to travel to Markham page.

  • ✨ Is October a good time to visit Markham? – Ask the AI Weatherman

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 Weather October

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

Temperatures trend during October in Markham

See the weather trend as well as the moving average line

October weather in Markham day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Partly cloudy
Partly cloudy
 22° /12° 0.8 mm 4.7
2 Oct. Light rain
Light rain
 20° /11° 8.4 mm 4
3 Oct. Mist
Mist
 23° /11° 0 mm 4.5
4 Oct. Mist
Mist
 22° /12° 0.5 mm 4
5 Oct. Mist
Mist
 20° /12° 0.4 mm 4
6 Oct. Heavy rain
Heavy rain
 20° /10° 10.9 mm 4.3
7 Oct. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 17° /10° 6.5 mm 3
8 Oct. Patchy rain possible
Patchy rain possible
 14° /8° 0.9 mm 3
9 Oct. Overcast
Overcast
 14° /5° 0 mm 3
10 Oct. Partly cloudy
Partly cloudy
 13° /5° 0 mm 3
11 Oct. Moderate rain
Moderate rain
 16° /8° 13 mm 3
12 Oct. Overcast
Overcast
 17° /10° 0 mm 3
13 Oct. Patchy rain possible
Patchy rain possible
 15° /9° 1.8 mm 3
14 Oct. Patchy rain possible
Patchy rain possible
 15° /8° 0.1 mm 3
15 Oct. Overcast
Overcast
 11° /6° 0.1 mm 2
16 Oct. Patchy rain possible
Patchy rain possible
 15° /5° 1.6 mm 3
17 Oct. Patchy rain possible
Patchy rain possible
 12° /3° 1.7 mm 3
18 Oct. Light rain
Light rain
 17° /6° 2.8 mm 3.3
19 Oct. Moderate rain
Moderate rain
 18° /9° 13.6 mm 3.3
20 Oct. Light rain
Light rain
 16° /9° 9.6 mm 3
21 Oct. Sunny
Sunny
 15° /7° 0.9 mm 3
22 Oct. Light sleet showers
Light sleet showers
 14° /7° 4.2 mm 3
23 Oct. Patchy rain possible
Patchy rain possible
 14° /5° 1.2 mm 3
24 Oct. Thundery outbreaks possible
Thundery outbreaks possible
 12° /5° 0.2 mm 2.9
25 Oct. Light rain
Light rain
 14° /7° 0.7 mm 2.9
26 Oct. Overcast
Overcast
 14° /8° 0 mm 1
27 Oct. Partly cloudy
Partly cloudy
 9° /3° 0 mm 2.9
28 Oct. Overcast
Overcast
 13° /8° 0 mm 2.6
29 Oct. Sunny
Sunny
 20° /9° 0.3 mm 2.3
30 Oct. Sunny
Sunny
 16° /9° 0 mm 2.7
31 Oct. Overcast
Overcast
 13° /8° 0 mm 4
Next
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.
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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?
Significant rainfall exceeding 103.4 mm is expected in Markham during October, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

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 💧
Typically, Markham has 9 rainy days in October with a total of 103.4 mm of rainfall.

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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