Ottawa weather live forecast

Tomorrow's maximum temperature in Ottawa is expected to be 7°C.

  • Wednesday
    16th Apr
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Thursday
    17th Apr
    Clear skies
  • Friday
    18th Apr
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Saturday
    19th Apr
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Sunday
    20th Apr
    Clear skies

5-day weather forecast updated at 04:00 on Wednesday 16th April 2025 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 Wednesday 16th April 2025

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 7°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a moderate breeze of 27 kph from the west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 20% chance of some rain20
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 27 kph from the West27
    kph wind from W

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Ottawa weather for Thursday 17th April 2025

Expect clear skies in Ottawa, Ontario with a maximum temperature of 10°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    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
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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Ottawa weather for Friday 18th April 2025

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 14°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 16 kph from the south-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 85% chance of some rain85
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Ottawa weather for Saturday 19th April 2025

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 21 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the West21
    kph wind from W

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Ottawa weather for Sunday 20th April 2025

Expect clear skies in Ottawa, Ontario with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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

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