Sudbury weather live forecast

Today's maximum temperature in Sudbury is expected to be 86°F. 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 86°F, 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 12 mph from the south-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 66°F minimum temperature66
    °F 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 12 mph from the South-West12
    mph 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 68°F, 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 13 mph from the north-east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 54°F minimum temperature54
    °F 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
  • 68°F wind chill68
    °F wind chill
  • Moderate breeze of 13 mph from the North-East13
    mph 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 68°F, 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 8 mph from the east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 50°F minimum temperature50
    °F 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
  • 68°F wind chill68
    °F wind chill
  • Gentle breeze of 8 mph from the East8
    mph 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 70°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

  • 70°F maximum temperature70
    °F maximum temperature
  • 57°F minimum temperature57
    °F 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 8 mph from the East8
    mph 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 77°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 57°F minimum temperature57
    °F 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 7 mph from the North-East7
    mph wind from NE

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