Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 24°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

Friday
17th Jul
24

15

10

7
Saturday
18th Jul
21

16

1

2
Sunday
19th Jul
22

15

10

6
Monday
20th Jul
25

13

9

7
Tuesday
21st Jul
24

16

1

4

5-day weather forecast updated at 04:00 on Friday 17th July 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 Friday 17th July 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 24°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

24
°C maximum temperature
15
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
12
kph wind from W

Ottawa weather for Saturday 18th July 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 21°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 16 kph from the south.

21
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
95
% chance of some rain
<30
mm of rainfall expected
21
°C wind chill
16
kph wind from S

Ottawa weather for Sunday 19th July 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 22°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

22
°C maximum temperature
15
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from NW

Ottawa weather for Monday 20th July 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 25°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

25
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
15
kph wind from S

Ottawa weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 19 kph from the south.

24
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
86
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
19
kph wind from S

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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