Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 14°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

  • Sunday
    10th May
    Sunshine and showers (2-5 mm of rainfall expected)
  • Monday
    11th May
    Sunshine and showers (0-2 mm of rainfall expected)
  • Tuesday
    12th May
    Broken clouds
  • Wednesday
    13th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Thursday
    14th May
    Cloudy with some rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Sunday 10th May 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 Sunday 10th May 2026

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 19 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 36% chance of some rain36
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Ottawa weather for Monday 11th May 2026

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 14 kph from the north-west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 52% chance of some rain52
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 14 kph from the North-West14
    kph wind from NW

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Ottawa weather for Tuesday 12th May 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of 13°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the North-West12
    kph wind from NW

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Ottawa weather for Wednesday 13th May 2026

Expect mostly cloudy with rain in Ottawa, Ontario with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 5°C minimum temperature5
    °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)
  • 65% chance of some rain65
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Ottawa weather for Thursday 14th May 2026

Expect cloudy with some rain in Ottawa, Ontario with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 13 kph from the north.

  • 13°C maximum temperature13
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 58% chance of some rain58
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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