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 Saturday 21st 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 21st March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 2°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 68% chance of some snow and a light breeze of 9 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 68% chance of some snow68
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Ottawa weather for Sunday 22nd March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 75% chance of some snow and a gentle breeze of 18 kph from the north-east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 75% chance of some snow75
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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Ottawa weather for Monday 23rd March 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 1°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Ottawa weather for Tuesday 24th March 2026

Expect clear skies with flurries of snow in Ottawa, Ontario with a maximum temperature of 0°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 17% chance of some snow and a gentle breeze of 16 kph from the south-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 17% chance of some snow17
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Ottawa weather for Wednesday 25th March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -2°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the north-west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • 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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