Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 19°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

  • Tuesday
    28th Apr
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Wednesday
    29th Apr
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Thursday
    30th Apr
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Friday
    1st May
    Broken clouds
  • Saturday
    2nd May
    Broken clouds

5-day weather forecast updated at 04:00 on Tuesday 28th 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 Tuesday 28th April 2026

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 23 kph from the south.

  • 19°C maximum temperature19
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Moderate breeze of 23 kph from the South23
    kph wind from S

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Ottawa weather for Wednesday 29th April 2026

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 14°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a light breeze of 12 kph from the north.

  • 14°C maximum temperature14
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 95% chance of some rain95
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the North12
    kph wind from N

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Ottawa weather for Thursday 30th April 2026

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 10°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 18 kph from the north-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 56% chance of some rain56
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the North-West18
    kph wind from NW

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Ottawa weather for Friday 1st May 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Ottawa weather for Saturday 2nd May 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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