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 Sunday 15th 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 Sunday 15th March 2026

Expect cloudy with sleet or snow in Ottawa, Ontario with a maximum temperature of 2°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 98% chance of some sleet or snow and a moderate breeze of 25 kph from the east.

  • 2°C maximum temperature2
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 98% chance of some sleet or snow98
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 25 kph from the East25
    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 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 92% chance of some sleet or snow and a moderate breeze of 23 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 92% chance of some sleet or snow92
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • 7°C wind chill7
    °C wind chill
  • Moderate breeze of 23 kph from the East23
    kph wind from E

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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 -1°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 21% chance of some snow and a moderate breeze of 28 kph from the west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 21% chance of some snow21
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Moderate breeze of 28 kph from the West28
    kph wind from W

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Ottawa weather for Wednesday 18th March 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -2°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the south.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -12°C minimum temperature-12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Ottawa weather for Thursday 19th 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 2-5 cm of snow expected with 62% chance of some snow and a gentle breeze of 14 kph from the south.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °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)
  • 62% chance of some snow62
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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

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