Thunder Bay Weather Outlook for September 21-22, 2024

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Thunder Bay from the Courthouse Hotel
Thunder Bay from the Courthouse Hotel

Thunder Bay – WEATHER – It is World Peace Day. Community members are invited to attend at Waverly Park from 11am to 12 noon for an event hosted by Rotary.

Thunder Bay is in for a mostly cloudy weekend with periodic chances of showers.

  • Saturday, September 21: Cloudy skies will dominate, with a 40% chance of showers throughout the day. Temperatures will reach a high of 20°C, and evening lows will dip to 12°C. It’s a good idea to keep a rain jacket handy, as brief showers are likely, although winds will remain mild at around 15 to 20 km/h​.
  • Sunday, September 22: Sunday continues with similar weather, with a 30% chance of showers. Expect cooler conditions with highs around 18°C, and the night will be mild, dropping to 11°C​.

Lake Superior West Marine Forecast

For those venturing out on Lake Superior’s western waters this weekend, conditions will remain manageable but keep an eye on increasing wind speeds.

  • Saturday: Winds will remain relatively light, at 10-15 knots from the southwest, with waves between 0.5 to 1 meter, but conditions could become choppier in the evening as wind speeds increase slightly​.
  • Sunday: Wind speeds will stay steady at 15 knots, maintaining moderate conditions on the lake​.

For boaters, this weekend presents mostly calm sailing conditions, but caution is advised, especially on Sunday when wind gusts may make waves slightly rougher.

Wardrobe Tip: Light layers and a raincoat for the occasional showers will serve you well. Keep sunglasses handy for brighter periods, especially in the afternoon​ (netnewsledger).

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