Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 2°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 Thursday 19th 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 Thursday 19th March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 87% chance of some snow and a gentle breeze of 16 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 87% chance of some snow87
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Ottawa weather for Friday 20th March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 1°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 cm of snow expected with 66% chance of some snow and a gentle breeze of 13 kph from the east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 66% chance of some snow66
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Ottawa weather for Saturday 21st March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 3°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Ottawa weather for Sunday 22nd March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 1°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

  • 1°C maximum temperature1
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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Ottawa weather for Monday 23rd March 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 0°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the north.

  • 0°C maximum temperature0
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 15 kph from the North15
    kph wind from N

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

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