Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 32°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 26th July 2025 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 26th July 2025

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

  • 32°C maximum temperature32
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 12 kph from the South12
    kph wind from S

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Ottawa weather for Sunday 27th July 2025

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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Ottawa weather for Monday 28th July 2025

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 13 kph from the south-west.

  • 36°C maximum temperature36
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 30% chance of some rain30
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Ottawa weather for Tuesday 29th July 2025

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 17 kph from the north-west.

  • 32°C maximum temperature32
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 44% chance of some rain44
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the North-West17
    kph wind from NW

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Ottawa weather for Wednesday 30th July 2025

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 15 kph from the north-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 26% chance of some rain26
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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

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