Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 10°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

  • Saturday
    7th Mar
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Sunday
    8th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Monday
    9th Mar
    Broken clouds
  • Tuesday
    10th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    11th Mar
    Cloudy with sleet or snow (20-30 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Saturday 7th 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 Saturday 7th March 2026

Expect cloudy with some rain in Ottawa, Ontario with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 81% chance of some rain81
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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Ottawa weather for Sunday 8th March 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 7°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a moderate breeze of 21 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 5% chance of some rain5
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    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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Ottawa weather for Monday 9th March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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Ottawa weather for Tuesday 10th March 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a gentle breeze of 14 kph from the north.

  • 8°C maximum temperature8
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 22% chance of some rain22
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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Ottawa weather for Wednesday 11th March 2026

Expect cloudy with sleet or snow in Ottawa, Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 86% chance of some sleet or snow and a gentle breeze of 17 kph from the north-east.

  • 4°C maximum temperature4
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 86% chance of some sleet or snow86
    % chance of some sleet or snow
  • 20-30 mm of sleet/snow expected<30
    mm of sleet/snow expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 17 kph from the North-East17
    kph wind from NE

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

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