Ontario (Toronto)
October
Weather in Ontario for October 2025
Your guide to Ontario weather in October - trends and predictions
In general, the average temperature in Ontario at the beginning of October is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.4 °C by the end of October.
Ontario in October brings notable rainfall, with an average of 17 rainy days and a total precipitation of 58 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
16°/9°
Temperatures
18 km/h
Avg max wind
70 %
Avg humidity
Ontario in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  21° | 3 22° | 4  21° | 5  20° | ||
| 6 21° | 7  16° | 8  14° | 9 15° | 10 16° | 11 20° | 12 17° |
| 13 15° | 14  14° | 15  13° | 16 15° | 17 14° | 18 14° | 19 16° |
| 20 16° | 21 17° | 22 15° | 23 15° | 24 15° | 25  15° | 26 14° |
| 27 15° | 28 13° | 29 12° | 30 12° | 31 13° |
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Temperatures trend during October in Ontario
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. | Sunny | 21° /12° | 1.4 mm | 5 | |
| 2 Oct. | Partly cloudy | 21° /13° | 3.3 mm | 6 | |
| 3 Oct. | Sunny | 22° /12° | 3 mm | 6 | |
| 4 Oct. | Moderate rain at times | 21° /12° | 1.6 mm | 5 | |
| 5 Oct. | Mist | 20° /12° | 0.5 mm | 5 | |
| 6 Oct. | Moderate or heavy rain shower | 21° /13° | 10.4 mm | 5 | |
| 7 Oct. | Overcast | 16° /9° | 3.3 mm | 4 | |
| 8 Oct. | Cloudy | 14° /8° | 0.1 mm | 3 | |
| 9 Oct. | Overcast | 15° /8° | 2.6 mm | 4 | |
| 10 Oct. | Partly cloudy | 16° /8° | 0.2 mm | 4 | |
| 11 Oct. | Partly cloudy | 20° /8° | 0.3 mm | 5 | |
| 12 Oct. | Cloudy | 17° /11° | 0.5 mm | 4 | |
| 13 Oct. | Overcast | 15° /9° | 4.1 mm | 4 | |
| 14 Oct. | Patchy rain possible | 14° /9° | 0.4 mm | 3 | |
| 15 Oct. | Heavy rain at times | 13° /8° | 2.7 mm | 3 | |
| 16 Oct. | Moderate or heavy rain shower | 15° /7° | 1.2 mm | 4 | |
| 17 Oct. | Patchy rain possible | 14° /5° | 0.9 mm | 4 | |
| 18 Oct. | Partly cloudy | 14° /5° | 0.3 mm | 4 | |
| 19 Oct. | Sunny | 16° /6° | 0.9 mm | 4 | |
| 20 Oct. | Patchy rain possible | 16° /9° | 1.6 mm | 4 | |
| 21 Oct. | Heavy rain at times | 17° /8° | 1 mm | 5 | |
| 22 Oct. | Cloudy | 15° /8° | 0.2 mm | 4 | |
| 23 Oct. | Overcast | 15° /7° | 0 mm | 4 | |
| 24 Oct. | Overcast | 15° /7° | 0.2 mm | 4 | |
| 25 Oct. | Light drizzle | 15° /9° | 5.4 mm | 4 | |
| 26 Oct. | Moderate rain at times | 14° /9° | 4.2 mm | 3 | |
| 27 Oct. | Partly cloudy | 15° /8° | 0.2 mm | 4 | |
| 28 Oct. | Overcast | 13° /6° | 0.2 mm | 3 | |
| 29 Oct. | Moderate or heavy rain shower | 12° /6° | 5.2 mm | 3 | |
| 30 Oct. | Overcast | 12° /7° | 1.8 mm | 3 | |
| 31 Oct. | Patchy rain possible | 13° /8° | 0.3 mm | 4 | |
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Important Notice
Our weather forecast for Ontario 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 Ontario forecast closer to your planned date for the most up-to-date weather information.
Ontario in October - FAQ
What are the expected maximum and minimum temperatures in Ontario during October?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ontario during October?
Moderate rainfall is anticipated in Ontario during October, with a total of 58 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ontario during October?
The average wind speed in Ontario during October is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Ontario
Explore the daily rainfall trends and prepare for Ontarios October weather 💧
UV exposure in Ontario during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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