Thunder Bay weather live forecast

Tomorrow's maximum temperature in Thunder Bay is expected to be 9°C.

  • Thursday
    2nd May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Friday
    3rd May
    Sunshine and showers (2-5 mm of rainfall expected)
  • Saturday
    4th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    5th May
    Scattered clouds
  • Monday
    6th May
    Scattered clouds

5-day weather forecast updated at 04:00 on Thursday 2nd May 2024 GMT

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

Thunder Bay weather forecast by day

Below are the detailed weather forecasts for Thunder Bay for the next 5 days.

Thunder Bay weather for Thursday 2nd May 2024

Expect mostly cloudy with light rain in Thunder Bay, Ontario with a maximum temperature of 9°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 13 kph from the east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 2°C minimum temperature2
    °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)
  • 38% chance of some rain38
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Thunder Bay weather for Friday 3rd May 2024

Expect sunshine and showers in Thunder Bay, Ontario with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 14% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 14% chance of some rain14
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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Thunder Bay weather for Saturday 4th May 2024

Expect mostly cloudy with light rain in Thunder Bay, Ontario with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a light breeze of 11 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Light breeze of 11 kph from the South-West11
    kph wind from SW

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Thunder Bay weather for Sunday 5th May 2024

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    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 South-West14
    kph wind from SW

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Thunder Bay weather for Monday 6th May 2024

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 14°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 14 hours of bright sunshine14
    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 South-East13
    kph wind from SE

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  • Find lowest fares on flights to Canada, USA & beyond
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Metric (°C / mm)  |  Imperial (°F / inches)

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