Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 25°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

• Monday
  20th Jul
  25
  14
  
  12
  6
• Tuesday
  21st Jul
  23
  17
  
  2
  4
• Wednesday
  22nd Jul
  19
  14
  
  9
  6
• Thursday
  23rd Jul
  23
  13
  
  12
  7
• Friday
  24th Jul
  26
  15
  
  5
  6

5-day weather forecast updated at 04:00 on Monday 20th 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 Monday 20th July 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 25°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

• 25
  °C maximum temperature
• 14
  °C minimum temperature
• 
  scattered clouds
• 12
  hours of sunshine
• 6
  UV index (High)
• 0
  mm of rainfall expected
• 25
  °C wind chill
• 16
  kph wind from W

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Ottawa weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 21 kph from the south.

• 23
  °C maximum temperature
• 17
  °C minimum temperature
• 
  isolated thunderstorms
• 2
  hours of sunshine
• 4
  UV index (Moderate)
• 97
  % chance of some rain
• <20
  mm of rainfall expected
• 0
  no heat & humidity
• 21
  kph wind from S

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Ottawa weather for Wednesday 22nd July 2026

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

• 19
  °C maximum temperature
• 14
  °C minimum temperature
• 
  broken clouds
• 9
  hours of sunshine
• 6
  UV index (High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 19
  kph wind from W

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Ottawa weather for Thursday 23rd July 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 23°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

• 23
  °C maximum temperature
• 13
  °C minimum temperature
• 
  scattered clouds
• 12
  hours of sunshine
• 7
  UV index (High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 13
  kph wind from W

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Ottawa weather for Friday 24th July 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 26°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 13 kph from the south-west.

• 26
  °C maximum temperature
• 15
  °C minimum temperature
• 
  mostly cloudy with light rain
• 5
  hours of sunshine
• 6
  UV index (High)
• 34
  % chance of some rain
• <2
  mm of rainfall expected
• 26
  °C wind chill
• 13
  kph wind from SW

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