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 Friday 20th 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 Friday 20th March 2026

Expect mostly cloudy with snow in Ottawa, Ontario with a maximum temperature of -2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 cm of snow expected with 99% chance of some snow and a gentle breeze of 18 kph from the north-east.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 99% chance of some snow99
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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Ottawa weather for Saturday 21st March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 2°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 8 kph from the North-West8
    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 5 (Moderate) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 49% chance of some snow and a gentle breeze of 14 kph from the north-east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 49% chance of some snow49
    % 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 14 kph from the North-East14
    kph wind from NE

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Ottawa weather for Monday 23rd March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 0°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the north.

  • 0°C maximum temperature0
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 16 kph from the North16
    kph wind from N

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Ottawa weather for Tuesday 24th March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 1°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a gentle breeze of 16 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 25% chance of some snow25
    % 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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  • Save up to £320 per person on last minute skiing holidays
  • Book late skiing holiday deals to Europe & North America
  • Filter deals by destination, board basis, rating, travel dates
Go to Crystal Ski deal >>

View all Crystal Ski offers

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

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