Sunday, December 22, 2024

Halloween looking to be warm in southern Ontario, but will it come with a trick?

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With Halloween coming next week, all eyes are on the forecast as eager trick-or-treaters put the finishing touches on costumes. For some, the final costume plan may involve the weather conditions, especially since late October can be an unpredictable time in southern Ontario.

Most years, the costumes will require a bulky jacket underneath, or even a hat and mitts to keep warm during the evening trick-or-treat times. It’s not unusual to get caught in wicked winds or wet weather, and we certainly can’t rule out a more wintry spin on the Halloween forecast some years.

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That’s why some may be taking a second or third look at the current, long-range forecast, one that features the return of 20-degree temperatures before Halloween next week! While the temperature trend looks to be a treat, the timing for some unsettled weather will need to be watched more closely.

Baron - Ontario warmth next week

Baron – Ontario warmth next week

Back to the crisp and chilly fall weather to conclude the weekend

Sunday will be partly sunny, blustery, and seasonably cool, with scattered showers and the chance for lake-effect showers, as well. Monday will remain quite chilly, especially during the morning hours, with a widespread frost and freeze threat spanning southern Ontario.

By Tuesday, however, temperatures will start to rebound quickly as a warm front advances across the region, bringing back the double-digit daytime temperatures, which will sit at least 10-15°C above seasonal.

Southern Ontarians treated to a warm Halloween, but there could be a trick to it

Although Tuesday, Wednesday and Thursday have the chance of surpassing 20°C in some places, Wednesday will have the best odds.

While temperatures will surely be a treat for Halloween, the weather conditions could be a little trickier to plan for.

Baron - Thursday temp departure from normal highs in OntarioBaron - Thursday temp departure from normal highs in Ontario

Baron – Thursday temp departure from normal highs in Ontario

The temperature on Halloween may seem appealing, but the timing of an incoming cold front may put a damper on the evening festivities. Rain, wind, and dropping temperatures may arrive through the afternoon, or they could provide a treat by holding off until later in the evening. Timing will become more accurate in the coming days.

Baron - Ontario Halloween precipitation forecastBaron - Ontario Halloween precipitation forecast

Baron – Ontario Halloween precipitation forecast

You’ll want to continue to check back as we fine tune the trick-or-treat forecast.

Changeable temperatures are expected as we kick off November, though should still tip to the warm side of seasonal to start. There’s the potential for a cooler pattern change as we get deeper into mid and late November.

Be sure to check back for the latest weather updates across southern Ontario.

Thumbnail image courtesy: Getty Images-852685678.

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