Thunder Bay weather live forecast

Tomorrow's maximum temperature in Thunder Bay is expected to be -2°C.

5-day weather forecast updated at 04:00 on Thursday 30th January 2025 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 30th January 2025

Expect mostly cloudy with light snow in Thunder Bay, Ontario with a maximum temperature of -2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 42% chance of some snow and little or no wind of 6 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 42% chance of some snow42
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Little or no wind of 6 kph from the West6
    kph wind from W

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Thunder Bay weather for Friday 31st January 2025

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of -7°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the north.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -17°C minimum temperature-17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Thunder Bay weather for Saturday 1st February 2025

Expect mostly cloudy with light snow in Thunder Bay, Ontario with a maximum temperature of -7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 95% chance of some snow and a gentle breeze of 19 kph from the east.

  • -7°C maximum temperature-7
    °C maximum temperature
  • -22°C minimum temperature-22
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 95% chance of some snow95
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -14°C wind chill-14
    °C wind chill
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Thunder Bay weather for Sunday 2nd February 2025

Expect cloudy with some snow in Thunder Bay, Ontario with a maximum temperature of -1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 cm of snow expected with 72% chance of some snow and a gentle breeze of 19 kph from the south-east.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 72% chance of some snow72
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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Thunder Bay weather for Monday 3rd February 2025

Expect clear skies with flurries of snow in Thunder Bay, Ontario with a maximum temperature of -8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 9% chance of some snow and a moderate breeze of 23 kph from the north-west.

  • -8°C maximum temperature-8
    °C maximum temperature
  • -15°C minimum temperature-15
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 9% chance of some snow9
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -15°C wind chill-15
    °C wind chill
  • Moderate breeze of 23 kph from the North-West23
    kph wind from NW

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  • Destinations across Europe, Americas, Asia, Africa & beyond
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Metric (°C / mm)  |  Imperial (°F / inches)

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