Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be -3°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 Saturday 17th January 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 Sunday 18th January 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 10% chance of some snow and a gentle breeze of 19 kph from the south-west.

  • -3°C maximum temperature-3
    °C maximum temperature
  • -10°C minimum temperature-10
    °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)
  • 10% chance of some snow10
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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Ottawa weather for Monday 19th January 2026

Expect overcast 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 0-2 cm of snow expected with 68% chance of some snow and a moderate breeze of 24 kph from the south-west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -12°C minimum temperature-12
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 68% chance of some snow68
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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Ottawa weather for Tuesday 20th January 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 18 kph from the south-west.

  • -13°C maximum temperature-13
    °C maximum temperature
  • -17°C minimum temperature-17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -21°C wind chill-21
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Ottawa weather for Wednesday 21st January 2026

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 69% chance of some snow and a gentle breeze of 16 kph from the south.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -14°C minimum temperature-14
    °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)
  • 69% chance of some snow69
    % 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 16 kph from the South16
    kph wind from S

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Ottawa weather for Thursday 22nd January 2026

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 0-2 cm of snow expected with 52% chance of some snow and a gentle breeze of 18 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -15°C minimum temperature-15
    °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)
  • 52% chance of some snow52
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -10°C wind chill-10
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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

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