Halloween night will likely be chilling in parts of Western Canada, while in Eastern Canada some people could experience record-breaking temperatures as well as a slight chance of rain in southern Canada. Ontario.

OntarioQuebec, New Brunswick and Nova Scotia could all challenge some records to see their warmest Halloween on record.

You may need to add a few extra layers to some costumes on the Prairies, as the cold sets in just in time for some delicious treats.

Western Canada: generally dry, but cool

British Columbia will experience dry conditions on Halloween, particularly inland, as well as double-digit temperatures along the coast and single-digits inland.

Visitors to the Prairie Provinces will not need a raincoat like those to Ontario, but a jacket or sweater may be necessary under the costume. Central Alberta could see temperatures below freezing, and southern Alberta could see temperatures between 5 and 10°C.

Those in southern Manitoba will experience temperatures around -5 degrees, so be sure to dress warmly when hunting for treats.

Eastern Canada: Warm temperatures with possibility of soggy sweets

A low pressure system moving over the Great Lakes could cause problems for treat hunters in southern Ontario and Quebec this evening.

Rain in northern Ontario will be heavy throughout the day, with snow could impact Halloween festivities at night in places like Wawa and Timmins.

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The forecast is quite tricky in southern Ontario, as daytime temperatures will be in the 20s across much of the region. However, an incoming cold front will bring rain in the evening, which could impact collection or processing plans.

Cities like Toronto, London, Ottawa and Sudbury could experience their warmest Halloween ever!

There is a higher risk of showers along the shores of Georgian Bay and Lake Huron, as well as showers sweeping across the Greater Toronto Area overnight. Trick-or-treaters may need to add an umbrella to their costume to get through the night.

Montreal and cities along the St. Lawrence are also expected to experience their hottest Halloween on record, with temperatures hovering around 20 degrees. Consider going out to get candy earlier in the evening, as those who leave it later in the night risk getting their costume wet.

Things will remain dry in the Maritimes as some places also prepare for their hottest Halloween on record. Central Nova Scotia and New Brunswick have the highest chance of experiencing record temperatures.

Newfoundland will experience typical trick-or-treat temperatures between 7 and 11 degrees. There is a slight chance of showers so it may be necessary to waterproof the suit.

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