Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be -12°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 Monday 8th 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 Monday 8th December 2025

Expect clear skies with flurries of snow in Ottawa, Ontario with a maximum temperature of -12°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 3% chance of some snow and a gentle breeze of 19 kph from the west.

  • -12°C maximum temperature-12
    °C maximum temperature
  • -16°C minimum temperature-16
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 3% chance of some snow3
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -21°C wind chill-21
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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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 -4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 100% chance of some snow and a gentle breeze of 16 kph from the south.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -16°C minimum temperature-16
    °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)
  • 100% chance of some snow100
    % 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 16 kph from the South16
    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 -1°C and no hours of bright sunshine. There are 5-10 cm of snow expected with 98% chance of some snow and a gentle breeze of 18 kph from the north-west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -6°C minimum temperature-6
    °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)
  • 98% chance of some snow98
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Gentle breeze of 18 kph from the North-West18
    kph wind from NW

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Ottawa weather for Thursday 11th December 2025

Expect overcast skies in Ottawa, Ontario with a maximum temperature of -7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 19 kph from the west.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -13°C wind chill-13
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Ottawa weather for Friday 12th December 2025

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -6°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 38% chance of some snow and a gentle breeze of 14 kph from the west.

  • -6°C maximum temperature-6
    °C maximum temperature
  • -13°C minimum temperature-13
    °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)
  • 38% chance of some snow38
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Gentle breeze of 14 kph from the West14
    kph wind from W

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

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