Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 6°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

Saturday
17th Oct
6

1

9

2
Sunday
18th Oct
13

0

10

3
Monday
19th Oct
16

5

10

3
Tuesday
20th Oct
16

3

8

3
Wednesday
21st Oct
13

2

11

3

5-day weather forecast updated at 04:00 on Saturday 17th October 2026 GMT

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The 5-day weather forecast for Ontario (Ottawa) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Ottawa weather forecast by day

Below are the detailed weather forecasts for Ottawa for the next 5 days.

Ottawa weather for Saturday 17th October 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 6°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

6
°C maximum temperature
1
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
19
kph wind from NW

Ottawa weather for Sunday 18th October 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

13
°C maximum temperature
0
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Ottawa weather for Monday 19th October 2026

Expect clear skies in Ottawa, Ontario with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

16
°C maximum temperature
5
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from SW

Ottawa weather for Tuesday 20th October 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

16
°C maximum temperature
3
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from N

Ottawa weather for Wednesday 21st October 2026

Expect clear skies in Ottawa, Ontario with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

13
°C maximum temperature
2
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
9
kph wind from E

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Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes