Measurements:
°C
°F
Ottawa
30°F
W 9 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Ottawa Weather October Weather in Ottawa

Ottawa Weather: October

Average Day Temperature: 55.2°F
Average Night Temperature: 44.4°F
Number of Sunny Days: 9 days
Sunshine Hours: 10.2 - 11.7 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.8 in

Air Temperature in October, °F

Select Year: 2025 2024 2023

The highest day temperature in October 2025 was 85°F. The lowest night temperature was 30°F. The average values for day and night temperatures during October were 58.4°F и 43.1°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during October. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in October, in

Precipitation total in October for Ottawa is 2.8 in. It makes october one of the most rainy months of the year.

Wind Speed in October, mph

The average wind speed in October is 8.1 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ottawa in October is 5.3 hours.

Best Time to Visit Ottawa
The most sunny months:
July 14 days
August 14 days
June 12 days
The most warm months:
July 81.7 °F
August 79.3 °F
June 74.2 °F
The most cold months:
January 15.6 °F
February 18.2 °F
December 24.2 °F
The most rainy months:
June 5 days
August 5 days
October 5 days
The most windy months:
April 9 mph
March 9 mph
February 9 mph

Ottawa on the Weather Map

Canada Resorts:
NAME
Halifax +44
Kingston +32
Montreal +34
Niagara Falls +42
Ottawa +30
Prince Edward Island +36
Quebec +28
Saint John +42
St. John's +34
Sydney +38
Toronto +36
Vancouver +48
Victoria +48
Winnipeg +14
Yellowknife -8
24 Hours Weather Forecast
Ottawa
Local time: 15:22
10 jan, saturday
1800 26°F
W
12 mph
2100 22°F
W
14 mph
11 jan, sunday
0000 22°F
W
12 mph
0300 22°F
W
6 mph
0600 22°F
NE
6 mph
0900 26°F
NE
11 mph
1200 30°F
NE
10 mph
1500 28°F
NE
12 mph