Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 23°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

5-day weather forecast updated at 04:00 on Friday 26th June 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 Friday 26th June 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a light breeze of 9 kph from the north-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 63% chance of some rain63
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Ottawa weather for Saturday 27th June 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 26°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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Ottawa weather for Sunday 28th June 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Ottawa weather for Monday 29th June 2026

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a light breeze of 8 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 7% chance of some rain7
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

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Ottawa weather for Tuesday 30th June 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 13 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 55% chance of some rain55
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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