Ottawa
October
Weather in Ottawa for October 2026
Your guide to Ottawa weather in October - trends and predictions
With an average of 2 snowy days, Ottawa usually enjoys a light touch of snow in October.
In general, the average temperature in Ottawa at the beginning of October is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.6 °C by the end of October.
The climate of Ottawa in October is notably wet, with an average of 14 rainy days, and a total of 126.9 mm of precipitation.
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Snow Forecast ❄️
Temperatures
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15
Dry days
14
Rainy days
2
Snow days
14°/6°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Ottawa Weather October
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Temperatures trend during October in Ottawa
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October weather in Ottawa day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. |  Mist | 19° /10° | 0 mm | 0 cm | |
| 2 Oct. | Mist | 20° /9° | 10.1 mm | 0 cm | |
| 3 Oct. | Mist | 25° /9° | 0 mm | 0 cm | |
| 4 Oct. | Mist | 25° /12° | 0 mm | 0 cm | |
| 5 Oct. |  Overcast | 25° /13° | 0 mm | 0 cm | |
| 6 Oct. |  Light rain shower | 21° /11° | 6.5 mm | 0 cm | |
| 7 Oct. | Light rain shower | 16° /9° | 18.4 mm | 0 cm | |
| 8 Oct. | Patchy rain possible | 13° /5° | 2 mm | 0 cm | |
| 9 Oct. | Light rain shower | 11° /3° | 0.6 mm | 0.3 cm | |
| 10 Oct. | Light rain shower | 12° /4° | 0.9 mm | 0 cm | |
| 11 Oct. | Light rain shower | 15° /6° | 1.8 mm | 0 cm | |
| 12 Oct. | Patchy rain possible | 14° /6° | 1.3 mm | 0 cm | |
| 13 Oct. | Overcast | 11° /5° | 0.4 mm | 0 cm | |
| 14 Oct. | Patchy rain possible | 14° /5° | 0 mm | 0 cm | |
| 15 Oct. | Overcast | 9° /5° | 0.1 mm | 0 cm | |
| 16 Oct. | Patchy rain possible | 13° /4° | 0 mm | 0 cm | |
| 17 Oct. | Overcast | 13° /4° | 0 mm | 0 cm | |
| 18 Oct. | Patchy rain possible | 15° /5° | 0 mm | 0 cm | |
| 19 Oct. | Overcast | 17° /6° | 0 mm | 0 cm | |
| 20 Oct. | Light rain shower | 15° /9° | 50.4 mm | 0 cm | |
| 21 Oct. | Light rain shower | 17° /8° | 4.3 mm | 0 cm | |
| 22 Oct. |  Light rain | 13° /7° | 5.1 mm | 0 cm | |
| 23 Oct. | Overcast | 12° /5° | 4.4 mm | 0 cm | |
| 24 Oct. | Overcast | 10° /3° | 0 mm | 0 cm | |
| 25 Oct. | Light rain | 11° /5° | 2.7 mm | 0 cm | |
| 26 Oct. | Light drizzle | 11° /6° | 3.2 mm | 0 cm | |
| 27 Oct. | Light drizzle | 11° /5° | 0.6 mm | 0 cm | |
| 28 Oct. | Patchy rain possible | 10° /2° | 0.4 mm | 0 cm | |
| 29 Oct. | Overcast | 9° /1° | 1.7 mm | 0 cm | |
| 30 Oct. |  Moderate or heavy snow showers | 10° /3° | 11.7 mm | 0.3 cm | |
| 31 Oct. | Overcast | 12° /5° | 0.2 mm | 0 cm | |
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Important Notice
Our weather forecast for Ottawa 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 Ottawa forecast closer to your planned date for the most up-to-date weather information.
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Ottawa in October - FAQ
What are the expected maximum and minimum temperatures in Ottawa during October?
During October, expect a variety of temperatures with highs around 14° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ottawa during October?
Significant rainfall exceeding 126.9 mm is expected in Ottawa during October, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Ottawa in October 2026?
Ottawa experiences an average snowfall of 0.59 cm during October, occurring over 2 days.
What are the typical wind conditions in Ottawa during October?
The average wind speed in Ottawa during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Ottawa snow forecast October 2026
Track daily snowfall levels and discover Ottawa’s snowy potential this October ❄️
On average, Ottawa sees 2 snowy days during October, with approximately 0.6 cm of total snowfall.
October rainfall patterns in Ottawa
Explore the daily rainfall trends and prepare for Ottawas October weather 💧
Typically, Ottawa has 14 rainy days in October with a total of 126.9 mm of rainfall.
UV exposure in Ottawa during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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