Thunder Bay weather live forecast

Today's maximum temperature in Thunder Bay is expected to be -2°C. Select a day from the live weather forecast for Thunder Bay, Ontario, Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 6th February 2026 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 Friday 6th February 2026

Expect clear skies with flurries of snow in Thunder Bay, Ontario with a maximum temperature of -2°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 cm of snow expected with 3% chance of some snow and a moderate breeze of 24 kph from the north-west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -21°C minimum temperature-21
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 3% chance of some snow3
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Moderate breeze of 24 kph from the North-West24
    kph wind from NW

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Thunder Bay weather for Saturday 7th February 2026

Expect clear skies with flurries of snow in Thunder Bay, Ontario with a maximum temperature of -12°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 65% chance of some snow and a light breeze of 12 kph from the north-west.

  • -12°C maximum temperature-12
    °C maximum temperature
  • -22°C minimum temperature-22
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 65% chance of some snow65
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -19°C wind chill-19
    °C wind chill
  • Light breeze of 12 kph from the North-West12
    kph wind from NW

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Thunder Bay weather for Sunday 8th February 2026

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of -5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the south-east.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -14°C minimum temperature-14
    °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
  • -10°C wind chill-10
    °C wind chill
  • Light breeze of 11 kph from the South-East11
    kph wind from SE

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Thunder Bay weather for Monday 9th February 2026

Expect overcast with light snow in Thunder Bay, Ontario with a maximum temperature of -1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 55% chance of some snow and a gentle breeze of 13 kph from the south-east.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 55% chance of some snow55
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

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Thunder Bay weather for Tuesday 10th February 2026

Expect mostly cloudy with 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 5-10 cm of snow expected with 52% chance of some snow and a light breeze of 11 kph from the north.

  • 2°C maximum temperature2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 52% chance of some snow52
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Metric (°C / mm)  |  Imperial (°F / inches)

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