Ottawa weather live forecast

Tomorrow's maximum temperature in Ottawa is expected to be 63°F.

5-day weather forecast updated at 04:00 on Thursday 1st May 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 Thursday 1st May 2025

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 63°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 12 mph from the east.

  • 63°F maximum temperature63
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 100% chance of some rain100
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 12 mph from the East12
    mph wind from E

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Ottawa weather for Friday 2nd May 2025

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 66°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 14 mph from the south-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 33% chance of some rain33
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 14 mph from the South-West14
    mph wind from SW

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Ottawa weather for Saturday 3rd May 2025

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 61°F, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a light breeze of 6 mph from the north-west.

  • 61°F maximum temperature61
    °F maximum temperature
  • 52°F minimum temperature52
    °F 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)
  • 39% chance of some rain39
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Ottawa weather for Sunday 4th May 2025

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 66°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north.

  • 66°F maximum temperature66
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Gentle breeze of 10 mph from the North10
    mph wind from N

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Ottawa weather for Monday 5th May 2025

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 64°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 10 mph from the east.

  • 64°F maximum temperature64
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 10 mph from the East10
    mph wind from E

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