Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 14°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

Tuesday
20th Oct
14

4

11

3
Wednesday
21st Oct
10

2

11

3
Thursday
22nd Oct
12

3

7

2
Friday
23rd Oct
10

1

9

2
Saturday
24th Oct
12

-1

10

3

5-day weather forecast updated at 04:00 on Tuesday 20th 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 Tuesday 20th October 2026

Expect clear skies in Ottawa, Ontario with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

14
°C maximum temperature
4
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
11
kph wind from N

Ottawa weather for Wednesday 21st October 2026

Expect clear skies in Ottawa, Ontario with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.

10
°C maximum temperature
2
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from NE

Ottawa weather for Thursday 22nd October 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 12°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

12
°C maximum temperature
3
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from N

Ottawa weather for Friday 23rd October 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 10°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

10
°C maximum temperature
1
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
10
kph wind from N

Ottawa weather for Saturday 24th October 2026

Expect clear skies in Ottawa, Ontario with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-west.

12
°C maximum temperature
-1
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
12
°C wind chill
6
kph wind from SW

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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