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.

5-day weather forecast updated at 04:01 on Sunday 7th December 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 Sunday 7th December 2025

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 69% chance of some snow and a light breeze of 11 kph from the north-east.

  • -10°C maximum temperature-10
    °C maximum temperature
  • -14°C minimum temperature-14
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 69% chance of some snow69
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -15°C wind chill-15
    °C wind chill
  • Light breeze of 11 kph from the North-East11
    kph wind from NE

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Ottawa weather for Monday 8th December 2025

Expect clear skies with flurries of snow in Ottawa, Ontario with a maximum temperature of -13°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 2% chance of some snow and a gentle breeze of 15 kph from the north-west.

  • -13°C maximum temperature-13
    °C maximum temperature
  • -17°C minimum temperature-17
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 2% chance of some snow2
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -20°C wind chill-20
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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Ottawa weather for Tuesday 9th December 2025

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 98% chance of some snow and a gentle breeze of 14 kph from the south.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -17°C minimum temperature-17
    °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)
  • 98% chance of some snow98
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -10°C wind chill-10
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Ottawa weather for Wednesday 10th December 2025

Expect cloudy with some snow in Ottawa, Ontario with a maximum temperature of -2°C and no hours of bright sunshine. There are 10-20 cm of snow expected with 93% chance of some snow and a gentle breeze of 13 kph from the south-east.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 93% chance of some snow93
    % chance of some snow
  • 10-20 cm of snow expected<20
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

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Ottawa weather for Thursday 11th December 2025

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 18% chance of some snow and a gentle breeze of 13 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 18% chance of some snow18
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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

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