Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 25°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

  • Saturday
    18th Apr
    Sunshine and showers (10-20 mm of rainfall expected)
  • Sunday
    19th Apr
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Monday
    20th Apr
    Broken clouds
  • Tuesday
    21st Apr
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    22nd Apr
    Broken clouds

5-day weather forecast updated at 04:00 on Sunday 19th April 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 18th April 2026

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 26 kph from the south.

  • 25°C maximum temperature25
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 94% chance of some rain94
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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Ottawa weather for Sunday 19th April 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 11°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a moderate breeze of 22 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 18% chance of some rain18
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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Ottawa weather for Monday 20th April 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 3°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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Ottawa weather for Tuesday 21st April 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 19 kph from the south.

  • 6°C maximum temperature6
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 34% chance of some rain34
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Gentle breeze of 19 kph from the South19
    kph wind from S

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Ottawa weather for Wednesday 22nd April 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

  • 12°C maximum temperature12
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the North10
    kph wind from N

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