2020 Long Range Weather Forecast for Barrie, ON

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

October 2020 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Oct 1-9Showers, mild
Oct 10-14Showers east, sunny west; cool
Oct 15-19Rainy, mild
Oct 20-25Showers east; sunny, mild west
Oct 26-31Showers, mild
Octobertemperature 12°C (2°C above avg.)
precipitation 85mm (10mm above avg.)

November 2020 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Nov 1-3Showers, mild
Nov 4-9Rain east, snow west, then sunny, cold
Nov 10-14Sunny, mild east; snow west
Nov 15-19Sunny, cold
Nov 20-27Snow showers, cold
Nov 28-30Showers, mild
Novembertemperature 2.5°C (1°C below avg. east, 2°C above west)
precipitation 100mm (avg. east, 50mm above west)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures, precipitation, and snowfall will be above normal. The coldest periods will be in mid- to late November, January, early and mid- to late February, and early March. The snowiest periods will be in early and mid-December, mid- to late January, mid-February, and early March. April and May will be warmer than normal, with precipitation above normal in the east and below normal in the west. Summer will be hotter than normal, with the hottest periods in late June and early to mid- and mid- to late July. Precipitation will be above normal in the east and below in the west. September and October will be slightly warmer and drier than normal.

Map showing Old Farmer's Almanac long range weather region number 3

About the Southern Ontario Region

The Southern Ontario long range weather region includes all or part of the following provinces: ONTARIO (Alliston, Amherstburg, Barrie, Bolton, Bradford, Brantford, Chatham, Cobourg, Collingwood, Elliot Lake, Fergus, Fort Erie, Georgetown, Guelph, Haileybury, Hamilton, Ingersoll, Kenora, Kitchener, Leamington, Lindsay, London, Midland, Milton, North Bay, Orangeville, Orillia, Oshawa, Owen Sound, Paris, Peterborough, Port Hope, Sarnia, Simcoe, Stouffville, Stratford, Strathroy, Sudbury, Thunder Bay, Tillsonburg, Timmins, Toronto, Uxbridge, Wallaceburg, Windsor, Woodstock).

Southern Ontario Neighboring Regions

Here are the regions that neighbor the Southern Ontario long range weather region:

Temperature and Precipitation November 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Barrie, ON

Reader Comments

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pine cones

I just flew up from Fl and visited my cottage in Georgian Bay Cawaja Balm Beach area for TG week . The weather was gorgeous! Didn't notice a lot of pine cones but noted tons of acorns , which, my brother refers to as little Scottish Boys in their tams lol But want to come back for Christmas hipimf for some snow ?

2020

When will the 2020 long-range weather forecast be released here? I am really curious to see what happens next year. Really looking forward to the 2020 Forecast!

2020 Forecast

The Editors's picture

The 2020 Old Farmer’s Almanac will be released in just a few weeks! It’s available for pre-order from our store now: https://store.almanac.com/almanacs

Ok, Thanks

Ok, Thanks

October 6, 2019

Tell me good things for my outdoor wedding in Toronto!
If rain is in my forecast...what are the chances it will shift? When will we have a more accurate idea?

Outdoor Wedding August 10

Having an outdoor wedding August 10 in Bowmanville area. Just curious what the weather will be? Any insight would be great!

Wedding

I’m getting married August.24th 2019 in Hamilton Ontario! Wondering if it might rain on that day!??
Thank you!! ❤️

Weather for Sept. 14/19

Planning an outdoor wedding and wonder if you can give me a forecast for that day?

Long range weather

How’s the weather going to be around September 4-5?

party

we have an outdoor party on Sunday August 4th 2019 from 3:00pm top 11:00pm. what is the weather outlook?

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