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Canada weather

Weather in Ottawa for October 2026

Your guide to Ottawa weather in October - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Ottawa during October is quite rare, with fewer than 2 snowy days on average.
    According to Ottawa snow forecast for October 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, October 2026 in Ottawa is slightly cooler than the historical average by 1.2 °C.

  • The forecast for the upcoming days in Ottawa predicts a temperature of 11 °C, which is slightly above the historical average.

  • In general, the average temperature in Ottawa at the beginning of October is 19.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °C by the end of October.

    • Rain 🌧️

  • Ottawa experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 132.2 mm.

    • More

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

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

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
1
Snow days
Average temperatures
14°/6°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Ottawa Weather October

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

Temperatures trend during October in Ottawa

See the weather trend as well as the moving average line

October weather in Ottawa day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
1 Oct. Patchy rain possible
Patchy rain possible
 19° /11° 2 mm 0 cm
2 Oct. Moderate rain
Moderate rain
 20° /9° 10 mm 0 cm
3 Oct. Overcast
Overcast
 22° /9° 0 mm 0 cm
4 Oct. Mist
Mist
 23° /10° 0.4 mm 0 cm
5 Oct. Overcast
Overcast
 21° /12° 0.2 mm 0 cm
6 Oct. Light rain
Light rain
 19° /10° 4.9 mm 0 cm
7 Oct. Moderate rain
Moderate rain
 16° /8° 16.2 mm 0 cm
8 Oct. Patchy rain possible
Patchy rain possible
 13° /6° 1.8 mm 0 cm
9 Oct. Light rain shower
Light rain shower
 12° /4° 0.5 mm 0.2 cm
10 Oct. Overcast
Overcast
 12° /4° 0.7 mm 0 cm
11 Oct. Patchy rain possible
Patchy rain possible
 16° /6° 1.4 mm 0 cm
12 Oct. Patchy rain possible
Patchy rain possible
 14° /7° 1.9 mm 0 cm
13 Oct. Light rain
Light rain
 10° /5° 4.2 mm 0 cm
14 Oct. Overcast
Overcast
 13° /6° 0.1 mm 0 cm
15 Oct. Overcast
Overcast
 10° /5° 0 mm 0 cm
16 Oct. Light rain
Light rain
 11° /4° 6.3 mm 0 cm
17 Oct. Overcast
Overcast
 11° /3° 0 mm 0 cm
18 Oct. Patchy rain possible
Patchy rain possible
 15° /4° 0 mm 0 cm
19 Oct. Overcast
Overcast
 17° /6° 0 mm 0 cm
20 Oct. Heavy rain
Heavy rain
 15° /8° 37.8 mm 0 cm
21 Oct. Light rain
Light rain
 16° /6° 3.2 mm 0 cm
22 Oct. Light rain
Light rain
 13° /7° 3.8 mm 0 cm
23 Oct. Light rain
Light rain
 12° /5° 3.3 mm 0 cm
24 Oct. Overcast
Overcast
 10° /3° 0 mm 0 cm
25 Oct. Patchy rain possible
Patchy rain possible
 12° /4° 2.1 mm 0 cm
26 Oct. Light rain
Light rain
 11° /6° 3 mm 0 cm
27 Oct. Sunny
Sunny
 7° /-2° 0 mm 0 cm
28 Oct. Overcast
Overcast
 8° /-1° 0 mm 0 cm
29 Oct. Sunny
Sunny
 18° /2° 0.7 mm 0 cm
30 Oct. Partly cloudy
Partly cloudy
 12° /2° 0.2 mm 0 cm
31 Oct. Sunny
Sunny
 10° /-1° 0 mm 0 cm
Next
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 132.2 mm is expected in Ottawa during October, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Ottawa in October 2026?
Ottawa typically sees 0.5 cm of snowfall during October.

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 1 snowy days during October, with approximately 0.5 cm of total snowfall.

October rainfall patterns in Ottawa

Explore the daily rainfall trends and prepare for Ottawas October weather 💧
Typically, Ottawa has 9 rainy days in October with a total of 132.2 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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Location coordinates Where is Ottawa?

Get accurate weather forecasts for Ottawa, located at latitude 45.411 and longitude -75.698. Stay updated with localized weather information tailored for Ottawa.

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