Thunder Bay weather live forecast

Tomorrow's maximum temperature in Thunder Bay is expected to be 32°F.

5-day weather forecast updated at 04:00 on Friday 28th March 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 Friday 28th March 2025

Expect cloudy with some snow in Thunder Bay, Ontario with a maximum temperature of 32°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 cm of snow expected with 100% chance of some snow and a moderate breeze of 16 mph from the east.

  • 32°F maximum temperature32
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some snow100
    % chance of some snow
  • 10-20 cm of snow expected<20
    cm of snow expected
  • 19°F wind chill19
    °F wind chill
  • Moderate breeze of 16 mph from the East16
    mph wind from E

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Thunder Bay weather for Saturday 29th March 2025

Expect mostly cloudy with snow in Thunder Bay, Ontario with a maximum temperature of 30°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 cm of snow expected with 22% chance of some snow and a moderate breeze of 14 mph from the north-east.

  • 30°F maximum temperature30
    °F maximum temperature
  • 19°F minimum temperature19
    °F minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 22% chance of some snow22
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • 21°F wind chill21
    °F wind chill
  • Moderate breeze of 14 mph from the North-East14
    mph wind from NE

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Thunder Bay weather for Sunday 30th March 2025

Expect clear skies with flurries of snow in Thunder Bay, Ontario with a maximum temperature of 30°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 40% chance of some snow and a gentle breeze of 11 mph from the north-east.

  • 30°F maximum temperature30
    °F maximum temperature
  • 18°F minimum temperature18
    °F 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 1 (Low)1
    UV index (Low)
  • 40% chance of some snow40
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 21°F wind chill21
    °F wind chill
  • Gentle breeze of 11 mph from the North-East11
    mph wind from NE

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Thunder Bay weather for Monday 31st March 2025

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 30°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 11 mph from the north.

  • 30°F maximum temperature30
    °F maximum temperature
  • 12°F minimum temperature12
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • 21°F wind chill21
    °F wind chill
  • Gentle breeze of 11 mph from the North11
    mph wind from N

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Thunder Bay weather for Tuesday 1st April 2025

Expect broken clouds in Thunder Bay, Ontario with a maximum temperature of 30°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 12 mph from the south-east.

  • 30°F maximum temperature30
    °F maximum temperature
  • 10°F minimum temperature10
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • 21°F wind chill21
    °F wind chill
  • Moderate breeze of 12 mph from the South-East12
    mph wind from SE

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