Markham
October
Weather in Markham for October 2025
Your guide to Markham weather in October - trends and predictions
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.
Expect significant rainfall in Markham during October, with an average of 17 rainy days.
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14
Dry days
17
Rainy days
0
Snow days
16°/8°
Temperatures
19 km/h
Avg max wind
71 %
Avg humidity
Markham in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  23° | 3  26° | 4 23° | 5 21° | ||
| 6  20° | 7  14° | 8  12° | 9 12° | 10 13° | 11 17° | 12  15° |
| 13 12° | 14 10° | 15 9° | 16 13° | 17 15° | 18 16° | 19  16° |
| 20 17° | 21 17° | 22  13° | 23 16° | 24  13° | 25 15° | 26 15° |
| 27 15° | 28 13° | 29  10° | 30 14° | 31 13° |
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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 | 24° /14° | 0 mm | 6 | |
| 2 Oct. | Cloudy | 23° /14° | 6.6 mm | 5 | |
| 3 Oct. | Mist | 26° /12° | 0 mm | 7 | |
| 4 Oct. | Mist | 23° /12° | 0 mm | 5 | |
| 5 Oct. | Mist | 21° /11° | 0.9 mm | 5 | |
| 6 Oct. | Heavy rain | 20° /12° | 21.8 mm | 5 | |
| 7 Oct. | Moderate or heavy rain with thunder | 14° /8° | 4.3 mm | 3 | |
| 8 Oct. | Patchy rain possible | 12° /6° | 0.3 mm | 3 | |
| 9 Oct. | Patchy rain possible | 12° /5° | 0.1 mm | 3 | |
| 10 Oct. | Partly cloudy | 13° /3° | 0 mm | 4 | |
| 11 Oct. | Patchy rain possible | 17° /4° | 1.1 mm | 4 | |
| 12 Oct. | Overcast | 15° /7° | 0 mm | 4 | |
| 13 Oct. | Mist | 12° /4° | 0 mm | 3 | |
| 14 Oct. | Patchy rain possible | 10° /5° | 0.3 mm | 3 | |
| 15 Oct. | Patchy rain possible | 9° /3° | 0.2 mm | 3 | |
| 16 Oct. | Overcast | 13° /4° | 0.1 mm | 4 | |
| 17 Oct. | Overcast | 15° /3° | 0 mm | 4 | |
| 18 Oct. | Overcast | 16° /5° | 0 mm | 5 | |
| 19 Oct. | Light rain | 16° /6° | 1.4 mm | 4 | |
| 20 Oct. | Light rain shower | 17° /9° | 2.6 mm | 4 | |
| 21 Oct. | Patchy rain possible | 17° /8° | 0 mm | 5 | |
| 22 Oct. | Light sleet showers | 13° /7° | 0.7 mm | 4 | |
| 23 Oct. | Cloudy | 16° /4° | 0 mm | 4 | |
| 24 Oct. | Thundery outbreaks possible | 13° /5° | 0.4 mm | 4 | |
| 25 Oct. | Light rain | 15° /8° | 1.3 mm | 4 | |
| 26 Oct. | Light rain | 15° /9° | 1.1 mm | 4 | |
| 27 Oct. | Patchy rain possible | 15° /9° | 0.8 mm | 5 | |
| 28 Oct. | Partly cloudy | 13° /2° | 0.3 mm | 4 | |
| 29 Oct. | Moderate rain | 10° /3° | 10.6 mm | 3 | |
| 30 Oct. | Light drizzle | 14° /7° | 0.8 mm | 3 | |
| 31 Oct. | 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?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Markham during October?
Moderate rainfall is anticipated in Markham during October, with a total of 76.2 mm spread over approximately 17 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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