Ottawa Weather Forecast

Check the Ottawa weather forecast for the next 5 days before you head off on holiday. The 5-day forecast shows the prevailing weather conditions, maximum & minimum temperatures, hours of sunshine per day, wind speed & direction and more. Tomorrow's maximum temperature in Ottawa is expected to be 26°C.

5-day weather forecast for Ottawa

Click on a symbol below to see the daily forecast in detail.

Last updated at 16:03 on Wednesday 16th August 2017 GMT

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Metric (°C / mm)  |  Imperial (°F / inches)

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Ottawa weather forecast by day

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

Ottawa weather for Wednesday 16th August 2017

Below is the Ottawa weather forecast for Wednesday 16th August 2017. Expect clear skies in Ottawa, Ontario with a maximum temperature of 23°C and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

  • 23
    °C maximum temperature
  • clear skies
  • 10
    hours of sunshine
  • 0
    mm of rainfall expected
  • 15
    kph wind from W

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Ottawa weather for Thursday 17th August 2017

Below is the Ottawa weather forecast for Thursday 17th August 2017. Expect clear skies in Ottawa, Ontario with a maximum temperature of 26°C and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

  • 26
    °C maximum temperature
  • 13
    °C minimum temperature
  • clear skies
  • 12
    hours of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 11
    kph wind from SW

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Ottawa weather for Friday 18th August 2017

Below is the Ottawa weather forecast for Friday 18th August 2017. Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 27°C, low levels of heat & humidity and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 20 kph from the east.

  • 27
    °C maximum temperature
  • 16
    °C minimum temperature
  • isolated thunderstorms
  • 0
    hours of sunshine
  • 81
    % chance of some rain
  • <20
    mm of rainfall expected
  • L
    low heat & humidity
  • 20
    kph wind from E

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Ottawa weather for Saturday 19th August 2017

Below is the Ottawa weather forecast for Saturday 19th August 2017. Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 26°C, low levels of heat & humidity and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 26
    °C maximum temperature
  • 18
    °C minimum temperature
  • sunshine and showers
  • 4
    hours of sunshine
  • 86
    % chance of some rain
  • <2
    mm of rainfall expected
  • L
    low heat & humidity
  • 20
    kph wind from SW

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Ottawa weather for Sunday 20th August 2017

Below is the Ottawa weather forecast for Sunday 20th August 2017. Expect broken clouds in Ottawa, Ontario with a maximum temperature of 27°C, low levels of heat & humidity and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

  • 27
    °C maximum temperature
  • 16
    °C minimum temperature
  • broken clouds
  • 5
    hours of sunshine
  • 0
    mm of rainfall expected
  • L
    low heat & humidity
  • 20
    kph wind from W

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Ottawa weather by month

Check Ottawa weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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