Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 12°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 Monday 16th 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 Monday 16th March 2026

Expect cloudy with sleet or snow in Ottawa, Ontario with a maximum temperature of 12°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of sleet/snow expected with 93% chance of some sleet or snow and a moderate breeze of 20 kph from the east.

  • 12°C maximum temperature12
    °C maximum temperature
  • -2°C minimum temperature-2
    °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)
  • 93% chance of some sleet or snow93
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 20 kph from the East20
    kph wind from E

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Ottawa weather for Tuesday 17th March 2026

Expect mostly cloudy with snow in Ottawa, Ontario with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 cm of snow expected with 28% chance of some snow and a fresh breeze of 30 kph from the west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 28% chance of some snow28
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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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 5 hours of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a gentle breeze of 14 kph from the south.

  • -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
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 25% chance of some snow25
    % chance of some snow
  • 0-2 cm of snow expected<2
    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 1°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 66% chance of some snow and a gentle breeze of 16 kph from the south.

  • 1°C maximum temperature1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 66% chance of some snow66
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 16 kph from the South16
    kph wind from S

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Ottawa weather for Friday 20th March 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 39% chance of some snow and a gentle breeze of 16 kph from the west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 39% chance of some snow39
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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  • Book late skiing holiday deals to Europe & North America
  • Filter deals by destination, board basis, rating, travel dates
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Metric (°C / mm)  |  Imperial (°F / inches)

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