World Resorts USA Ottawa Weather

Ottawa weather in October

Weather in Ottawa: October

Average day temperature: 63.6°F
Average night temperature: 50.0°F
Number of sunny days: 16 days
Day length: 10.4 - 11.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 89°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during October were 67.7°F and 50.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Ottawa in October is 0.9 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 9.8 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 7.3.

Best time for vacation in Ottawa

Sunniest months:
September 19 days
October 16 days
August 15 days
Warmest months:
August 81.6 °F
July 81.2 °F
June 79.6 °F
Coldest months:
January 29.3 °F
February 33.2 °F
December 37.9 °F
Rainiest months:
June 3 days
May 3 days
March 3 days
Windiest months:
March 11.5 mph
April 11.1 mph
November 10.3 mph

Ottawa on a weather map

Ottawa
-6°F
N 5 mph
Feels like: -9°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Ottawa
Local time: 02:47
December 05, friday
0300
-6°F
N
5 mph
0600
1°F
N
6 mph
0900
14°F
N
7 mph
1200
28°F
NE
12 mph
1500
32°F
NE
11 mph
1800
30°F
N
11 mph
2100
28°F
NE
11 mph
December 06, saturday
0000
28°F
NE
7 mph
Units of measurement: °C / °F