Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be 26°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 Monday 8th 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 Monday 8th June 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 26°C maximum temperature26
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    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 9th June 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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Ottawa weather for Wednesday 10th June 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 25°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 14 kph from the south.

  • 25°C maximum temperature25
    °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 2 (Low)2
    UV index (Low)
  • 89% chance of some rain89
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Ottawa weather for Thursday 11th June 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a light breeze of 11 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 45% chance of some rain45
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Ottawa weather for Friday 12th June 2026

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 17 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 71% chance of some rain71
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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