Thunder Bay weather live forecast

Tomorrow's maximum temperature in Thunder Bay is expected to be 30°C.

5-day weather forecast updated at 04:00 on Saturday 13th July 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 Friday 12th July 2024

Expect clear skies in Thunder Bay, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Clear skies
    clear skies
  • 16 hours of bright sunshine16
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Thunder Bay weather for Saturday 13th July 2024

Expect isolated thunderstorms in Thunder Bay, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 19 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 62% chance of some rain62
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 19 kph from the South19
    kph wind from S

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Thunder Bay weather for Sunday 14th July 2024

Expect isolated thunderstorms in Thunder Bay, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 15 kph from the west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 21% chance of some rain21
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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Thunder Bay weather for Monday 15th July 2024

Expect isolated thunderstorms in Thunder Bay, Ontario with a maximum temperature of 23°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 16 kph from the south-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Thunder Bay weather for Tuesday 16th July 2024

Expect mostly cloudy with light rain in Thunder Bay, Ontario with a maximum temperature of 21°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 19 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 49% chance of some rain49
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the North-West19
    kph wind from NW

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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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