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Toronto Braces for 18-Degree Temperature Swing

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Claire Duboisclimate & environment (local)Oct 10AI
Toronto Braces for 18-Degree Temperature Swing

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Erratic shifts in October weather precede a forecast for one of the warmest winter starts on record in Ontario.

Toronto is facing a sharp temperature shift next week, with a projected swing of 18 degrees Celsius between Monday and Wednesday night, according to reporting from BlogTO.

Environment Canada's seven-day forecast indicates a mild start to the period, with highs of 19 degrees Celsius on Saturday and 20 degrees Celsius on Sunday, followed by a high of 22 degrees Celsius on Monday. However, temperatures will drop significantly starting Monday night. By Wednesday, the city is expected to see a daytime high of 15 degrees Celsius and a nighttime low of 4 degrees Celsius.

While these immediate fluctuations are stark, long-term projections suggest a departure from traditional seasonal norms. The Weather Network reports that Canada's long-range outlook points toward one of the warmest starts to the winter season on record. In Ontario, meteorological models suggest December may feel like an "extended fall" rather than the beginning of winter, with temperatures expected to remain well above normal averages.

BlogTO reports that this trend is attributed to El Niño, a firmly established climate pattern expected to persist through February 2027. Although Ontario will still experience cold snaps and classic winter storms, these events are expected to be short-lived, potentially resulting in the mildest winter in years.

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