Ontario weather forecast

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Below are temperatures expected tomorrow at popular destinations in Ontario. Select a destination to see the 5-day weather forecast.

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The 5-day weather forecast for Ontario is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

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Ontario weather forecast by day

Below are the detailed weather forecasts for Ontario for the next 5 days. The forecasts shown are for Toronto and may not represent the whole of Ontario. Browse more destinations in Ontario to view more weather forecasts.

Ontario weather for Tuesday 20th April 2021

Below is the Ontario weather forecast for Tuesday 20th April 2021. Expect broken clouds in Ontario with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 24 kph from the West24
    kph wind from W

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Ontario weather for Wednesday 21st April 2021

Below is the Ontario weather forecast for Wednesday 21st April 2021. Expect overcast with light snow in Ontario with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 cm of snow expected with 59% chance of some snow and a moderate breeze of 24 kph from the north.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 59% chance of some snow59
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 24 kph from the North24
    kph wind from N

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Ontario weather for Thursday 22nd April 2021

Below is the Ontario weather forecast for Thursday 22nd April 2021. Expect broken clouds in Ontario with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the west.

  • 6°C maximum temperature6
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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Ontario weather for Friday 23rd April 2021

Below is the Ontario weather forecast for Friday 23rd April 2021. Expect scattered clouds in Ontario with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Moderate breeze of 23 kph from the West23
    kph wind from W

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Ontario weather for Saturday 24th April 2021

Below is the Ontario weather forecast for Saturday 24th April 2021. Expect scattered clouds in Ontario with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    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 14 kph from the West14
    kph wind from W

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

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