Thunder Bay weather live forecast

Tomorrow's maximum temperature in Thunder Bay is expected to be 15°C.

  • Sunday
    5th May
    Scattered clouds
  • Monday
    6th May
    Clear skies
  • Tuesday
    7th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Wednesday
    8th May
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Thursday
    9th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Sunday 5th 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 Sunday 5th May 2024

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    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
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Thunder Bay weather for Monday 6th May 2024

Expect clear skies in Thunder Bay, Ontario with a maximum temperature of 15°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Clear skies
    clear skies
  • 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
  • 15°C wind chill15
    °C wind chill
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Thunder Bay weather for Tuesday 7th May 2024

Expect mostly cloudy with rain in Thunder Bay, Ontario with a maximum temperature of 12°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 20 kph from the east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 78% chance of some rain78
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 20 kph from the East20
    kph wind from E

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Thunder Bay weather for Wednesday 8th May 2024

Expect cloudy with some rain in Thunder Bay, Ontario with a maximum temperature of 11°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 14 kph from the north-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 56% chance of some rain56
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 14 kph from the North-East14
    kph wind from NE

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Thunder Bay weather for Thursday 9th May 2024

Expect mostly cloudy with light rain in Thunder Bay, Ontario with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 18 kph from the north-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °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)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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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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