Sudbury weather live forecast

Today's maximum temperature in Sudbury is expected to be 30°C. Select a day from the live weather forecast for Sudbury, Ontario, Canada for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 16th August 2025 GMT

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

Sudbury weather forecast by day

Below are the detailed weather forecasts for Sudbury for the next 5 days.

Sudbury weather for Saturday 16th August 2025

Expect isolated thunderstorms in Sudbury, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 73% chance of some rain73
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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Sudbury weather for Sunday 17th August 2025

Expect isolated thunderstorms in Sudbury, Ontario with a maximum temperature of 20°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 5% chance of some rain and a moderate breeze of 21 kph from the north-east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 5% chance of some rain5
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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Sudbury weather for Monday 18th August 2025

Expect mostly cloudy with light rain in Sudbury, Ontario with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 13 kph from the east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 36% chance of some rain36
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Sudbury weather for Tuesday 19th August 2025

Expect broken clouds in Sudbury, Ontario with a maximum temperature of 21°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Sudbury weather for Wednesday 20th August 2025

Expect broken clouds in Sudbury, Ontario with a maximum temperature of 25°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the North-East12
    kph wind from NE

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