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 04:00 on Saturday 14th 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 Saturday 14th March 2026

Expect mostly cloudy with snow in Ottawa, Ontario with a maximum temperature of 1°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 cm of snow expected with 58% chance of some snow and a moderate breeze of 23 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 58% chance of some snow58
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Moderate breeze of 23 kph from the North-West23
    kph wind from NW

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Ottawa weather for Sunday 15th March 2026

Expect cloudy with sleet or snow in Ottawa, Ontario with a maximum temperature of 0°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 69% chance of some snow and a moderate breeze of 26 kph from the east.

  • 0°C maximum temperature0
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 69% chance of some snow69
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Moderate breeze of 26 kph from the East26
    kph wind from E

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Ottawa weather for Monday 16th March 2026

Expect cloudy with sleet or snow in Ottawa, Ontario with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of sleet/snow expected with 100% chance of some sleet or snow and a moderate breeze of 22 kph from the south-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 100% chance of some sleet or snow100
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • 14°C wind chill14
    °C wind chill
  • Moderate breeze of 22 kph from the South-East22
    kph wind from SE

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Ottawa weather for Tuesday 17th March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 2°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 42% chance of some snow and a fresh breeze of 31 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 42% chance of some snow42
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Fresh breeze of 31 kph from the South-West31
    kph wind from SW

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Ottawa weather for Wednesday 18th March 2026

Expect clear skies with flurries of snow in Ottawa, Ontario with a maximum temperature of -2°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 2-5 cm of snow expected with 18% chance of some snow and a gentle breeze of 16 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 18% chance of some snow18
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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

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