Thunder Bay Weather Forecast: Cold Morning Leads to a Warming Trend


At 4:30 AM EST, Thunder Bay residents are braving the cold as the temperature registers at a bone-chilling -16°C, and it feels even colder. Let’s check out the weather forecasts for Wednesday, December 13, 2023, and Thursday, December 14, 2023:

Wednesday, December 13, 2023

  • Sunny Skies: The day begins with clear skies and abundant sunshine, providing bright conditions throughout.
  • Morning Chill: The morning hours will be bitterly cold, with temperatures as low as minus 16°C. The wind chill factor will make it feel considerably colder, reaching as low as minus 22°C.
  • Warming Up: Despite the frigid start, temperatures will gradually rise during the day, with a high of minus 7°C in the afternoon. The morning’s harsh wind chill will give way to a more manageable minus 10°C in the afternoon.
  • UV Index: The UV index is anticipated to be low, with a rating of 1.

Wednesday Night

  • Increasing Cloudiness: The evening brings increasing cloudiness, potentially obscuring the night sky.
  • Steady Winds: Winds will remain calm, with speeds up to 15 km/h.
  • Milder Night: Overnight temperatures will rise significantly to around minus 2°C, providing a more comfortable night. The wind chill will be around minus 6°C in the early morning.

Thursday, December 14, 2023

  • Sunny and Warmer: Thursday promises sunny skies and a noticeable warming trend, as temperatures reach a high of 7°C.

Thursday Night

  • Clear Conditions: Thursday night is expected to be clear, offering a view of the night sky.
  • Mild Night: Overnight temperatures will be quite mild, hovering around plus 2°C.

Thunder Bay residents can anticipate a very cold start to Wednesday, followed by a gradual warming trend throughout the day. Thursday will bring a welcomed relief from the cold, with sunny conditions and significantly milder temperatures. The night will remain clear and mild, ensuring a more comfortable evening.

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