Weekend Weather Report for Thunder Bay and Marine Forecast for Lake Superior West: October 5, 6, and 7, 2024

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Sunrise Thunder Bay Ontario
Good morning, Thunder Bay!

Thunder Bay – Weather – The first weekend of October in Thunder Bay and along Lake Superior West will bring typical autumn conditions, including cooler temperatures, overcast skies, and chances of rain.

Frost is expected overnight as temperatures drop close to freezing.

For boaters, the marine forecast highlights variable winds and waves throughout the weekend.

Here’s a detailed forecast for October 5, 6, and 7, 2024, including wardrobe suggestions and weather trivia.


Thunder Bay, Ontario: Weekend Weather Forecast

Current Conditions (October 5, 2024)

  • Temperature: 8°C
  • Winds: Northwest at 20 km/h
  • Barometric Pressure: 1017 hPa
  • Skies: Overcast

October 5, 2024 (Saturday)

  • Forecast: Cloudy with occasional light rain in the afternoon. Winds from the northwest at 20 km/h. High of 9°C.
  • Evening Conditions: Cloudy, with temperatures dropping to 3°C overnight. Frost possible by Sunday morning.
  • Wardrobe: Medium-weight jacket and waterproof layers for the afternoon, with warm layers for the cool evening.

October 6, 2024 (Sunday)

  • Forecast: Overcast skies with clearing in the afternoon. Winds will be light at 15 km/h from the northwest. High of 8°C.
  • Evening Conditions: Clear skies overnight, with temperatures dropping to 1°C. Frost is expected by Monday morning.
  • Wardrobe: Layered clothing and a heavier coat for colder evening and morning frost. Gloves will help with the cold in the early morning.

October 7, 2024 (Monday)

  • Forecast: Mostly sunny with light winds from the north at 10 km/h. High of 7°C.
  • Evening Conditions: Clear skies overnight, with temperatures dipping to 0°C. Frost expected.
  • Wardrobe: Warm layers, gloves, and a scarf for frosty mornings and cool evenings.

Thunder Bay Weather Trivia

Did you know? Thunder Bay recorded one of its earliest October snowfalls on October 6, 1974, when 10 cm of snow fell in one night. Frost is common by early October, marking the transition into colder weather.


Marine Forecast for Lake Superior West

Current Lake Conditions (October 5, 2024)

  • Winds: Northwest at 25 km/h
  • Waves: Moderate, 1 to 1.5 meters
  • Water Temperature: 10°C

Marine Forecast for October 5 (Saturday)

  • Winds: Northwest winds at 25 km/h, gusting up to 35 km/h.
  • Waves: Waves building to 1.5 meters in open waters, choppy in the afternoon.
  • Boating Conditions: Moderate to choppy waters. Exercise caution with reduced visibility during rain showers. The cool air and wind will make it feel colder on the water.

Marine Forecast for October 6 (Sunday)

  • Winds: Winds easing to 15 km/h from the northwest.
  • Waves: Waves calming to around 1 meter.
  • Boating Conditions: Better boating conditions with calmer waters and partly clear skies, but the cool air temperature will still make it feel chilly on the lake.

Marine Forecast for October 7 (Monday)

  • Winds: Light winds from the north at 10-15 km/h.
  • Waves: Minimal wave activity, under 0.5 meters.
  • Boating Conditions: Ideal conditions for boating with calm waters and clear skies, though colder temperatures will require extra layers to stay warm.

Marine Wardrobe Suggestions

Boaters heading out on Lake Superior West should wear insulated layers, waterproof gear, and gloves. Although conditions improve by Sunday and Monday, the cold air and wind over the water will make it feel much colder, especially on Saturday with gusty winds and waves.


Summary of Conditions

Thunder Bay will see cool, overcast conditions throughout the weekend, with light rain on Saturday and clearing skies by Sunday.

Daytime highs will range from 7°C to 9°C, with overnight lows dropping to near freezing, especially on Sunday and Monday nights, when frost is expected.

The Lake Superior West region will experience choppy waters on Saturday with gusty winds, but conditions will calm significantly by Monday, offering ideal boating weather despite the cold.


Wardrobe Recap:

  • October 5: Medium-weight jacket, waterproof layers for rain, and warm layers for cooler evening temperatures.
  • October 6: Warm layers and gloves for frost in the early morning and cold evenings.
  • October 7: Heavier outerwear, gloves, and a scarf for frosty mornings and chilly daytime conditions.
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