This weekly fall forecast for October reveals when Ontario's weather will be snowy and chilly

Below-average temperatures are forecast for the month.

toronto skyline with fall coloured trees

Toronto skyline in the fall.

Senior Writer

This week-by-week fall forecast for October reveals what you can expect throughout the month.

Ontario's weather will feature a little bit of everything, including thunderstorms, sunshine, chilly temperatures and even snow!

The long-range forecast from the Old Farmer's Almanac includes a monthly forecast for each province and even a weekly breakdown of what the weather will be like.

So, here's what you need to know about Ontario's weather in October.

The average temperature across the province is expected to be 9 C during October, which is a degree below average for the month.

Also, 65 millimetres of precipitation are expected throughout the month. That's 10 millimetres below average.

From October 1 to October 3, it will be sunny but chilly in the southern parts of the province.

There will be a few showers and chilly temperatures in Ontario between October 4 and October 10.

It will be sunny in the northwest and rainy in the southeast from October 11 to October 15.

But it will be warm across Ontario during those few days.

Then, between October 16 and October 20, a few thunderstorms and warm temperatures are in the forecast.

From October 21 to October 31, there will be sunshine, and then "a little rain and snow."

Temperatures will shift from warm to chilly during the last week of the month in Ontario.

If you're looking ahead to November already, here's an overview from the fall forecasts about what to expect throughout the month.

The Weather Network said there is the potential for "a more abrupt transition into early winter" across Ontario in November.

According to the Old Farmer's Almanac, you should expect rain and snow showers, shifts between mild and cold temperatures, and a snowstorm.

Widespread snowfall is forecast for Ontario by November, the Farmers' Almanac revealed.

This article's cover image was used for illustrative purposes only.

  • Senior Writer

    Lisa Belmonte (she/her) is a Senior Writer with Narcity Media. After graduating with a Bachelor of Journalism from Toronto Metropolitan University (formerly Ryerson University), she joined the Narcity team. Lisa covers news and notices from across the country from a Canada-wide perspective. Her early coverage of the COVID-19 pandemic earned Narcity its first-ever national journalism award nomination.

Ontario's weather forecast for March reveals there'll be snow, rain and warmth on these days

You can expect snow even after the spring season starts! ❄️🌷

Ontario's May weather forecast reveals which days will be sunny and warm

The month will be cooler than normal but warm temperatures are still in the forecast.

Ontario's weather forecast for February reveals that there'll be snowstorms on these days

February will be one of the coldest and snowiest parts of winter in Ontario! 🥶❄️

MP calls on Canadians to fill out census

MP calls on Canadians to fill out census as some express privacy concerns

I recently moved away and I need to be honest about Canada's tipping culture

Having worked in restaurants, I've seen both sides 🫣

B.C. nurses vote 98.2% in favour of strike

B.C. nurses vote for strike, as union boss raises prospect of dispute amid World Cup

Feds extending contracts of 750 pay centre workers

Government extends contracts of 750 pay centre workers to manage job cuts

What we know about hantavirus so far

What we know about hantavirus now that people linked to outbreak are back in Canada