Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 5°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

  • Wednesday
    4th Mar
    Scattered clouds
  • Thursday
    5th Mar
    Broken clouds
  • Friday
    6th Mar
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Saturday
    7th Mar
    Isolated thunderstorms (10-20 mm of rainfall expected)
  • Sunday
    8th Mar
    Scattered clouds

5-day weather forecast updated at 04:00 on Wednesday 4th March 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 Wednesday 4th March 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Light breeze of 11 kph from the South-West11
    kph wind from SW

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Ottawa weather for Thursday 5th March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 19 kph from the east.

  • 0°C maximum temperature0
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Ottawa weather for Friday 6th March 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 18 kph from the east.

  • 3°C maximum temperature3
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 91% chance of some rain91
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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Ottawa weather for Saturday 7th March 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 9°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 19 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 88% chance of some rain88
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Ottawa weather for Sunday 8th March 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 21 kph from the South-West21
    kph wind from SW

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

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