Thunder Bay weather live forecast

Tomorrow's maximum temperature in Thunder Bay is expected to be -5°C.

5-day weather forecast updated at 04:04 on Sunday 12th 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 Sunday 12th January 2025

Expect cloudy with some snow in Thunder Bay, Ontario with a maximum temperature of -5°C and no hours of bright sunshine. There are 5-10 cm of snow expected with 100% chance of some snow and a moderate breeze of 21 kph from the north-east.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 100% chance of some snow100
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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Thunder Bay weather for Monday 13th January 2025

Expect mostly cloudy with light snow in Thunder Bay, Ontario with a maximum temperature of -10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 61% chance of some snow and a moderate breeze of 21 kph from the north.

  • -10°C maximum temperature-10
    °C maximum temperature
  • -15°C minimum temperature-15
    °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)
  • 61% chance of some snow61
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -18°C wind chill-18
    °C wind chill
  • Moderate breeze of 21 kph from the North21
    kph wind from N

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Thunder Bay weather for Tuesday 14th January 2025

Expect scattered clouds in Thunder Bay, Ontario with a maximum temperature of -12°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 18 kph from the north-west.

  • -12°C maximum temperature-12
    °C maximum temperature
  • -18°C minimum temperature-18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -20°C wind chill-20
    °C wind chill
  • Gentle breeze of 18 kph from the North-West18
    kph wind from NW

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Thunder Bay weather for Wednesday 15th January 2025

Expect mostly cloudy with light snow in Thunder Bay, Ontario with a maximum temperature of -6°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 60% chance of some snow and a gentle breeze of 16 kph from the west.

  • -6°C maximum temperature-6
    °C maximum temperature
  • -19°C minimum temperature-19
    °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)
  • 60% chance of some snow60
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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Thunder Bay weather for Thursday 16th January 2025

Expect broken clouds 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 cm of snow expected and a moderate breeze of 20 kph from the north-west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Moderate breeze of 20 kph from the North-West20
    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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