Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be -1°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 Thursday 4th 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 Thursday 4th December 2025

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -1°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 16% chance of some snow and a moderate breeze of 24 kph from the west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -16°C minimum temperature-16
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 16% chance of some snow16
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Moderate breeze of 24 kph from the West24
    kph wind from W

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Ottawa weather for Friday 5th December 2025

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 36% chance of some snow and a gentle breeze of 16 kph from the south.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -16°C minimum temperature-16
    °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)
  • 36% chance of some snow36
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -13°C wind chill-13
    °C wind chill
  • Gentle breeze of 16 kph from the South16
    kph wind from S

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Ottawa weather for Saturday 6th December 2025

Expect cloudy with some snow in Ottawa, Ontario with a maximum temperature of -1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 84% chance of some snow and a gentle breeze of 16 kph from the south.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 84% chance of some snow84
    % 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 16 kph from the South16
    kph wind from S

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Ottawa weather for Sunday 7th December 2025

Expect clear skies with flurries of snow in Ottawa, Ontario with a maximum temperature of -7°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 18% chance of some snow and a gentle breeze of 14 kph from the north-west.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -14°C minimum temperature-14
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 18% chance of some snow18
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -13°C wind chill-13
    °C wind chill
  • Gentle breeze of 14 kph from the North-West14
    kph wind from NW

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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 25% chance of some snow and a light breeze of 11 kph from the north-west.

  • -13°C maximum temperature-13
    °C maximum temperature
  • -18°C minimum temperature-18
    °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)
  • 25% chance of some snow25
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -19°C wind chill-19
    °C wind chill
  • Light breeze of 11 kph from the North-West11
    kph wind from NW

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

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