2020-2021 Long Range Weather Forecast for Windsor, 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

August 2020 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Aug 1-6Showers, hot
Aug 7-14T-storms, then sunny, cool
Aug 15-22A few t-storms, warm
Aug 23-31Showers, cool
Augusttemperature 20°C (1°C below avg. east, 1°C above west)
precipitation 95mm (60mm above avg. east, 30mm below west)

September 2020 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Sep 1-4Showers, cool
Sep 5-8T-storms, then sunny, cool
Sep 9-15Rainy periods, cool
Sep 16-25A few showers, cool
Sep 26-30Sunny, turning warm
Septembertemperature 14°C (1°C below avg.)
precipitation 60mm (30mm below avg.)

Annual Weather Summary
November 2020 to October 2021

Winter temperatures will be slightly below normal in the east and slightly above normal in the west, with the coldest periods in early to mid-December, from late December into early January, and in mid- and late January. Precipitation and snowfall will be much above normal, with the snowiest periods in mid-December, early to mid-January, and early to mid-March. April and May will be cooler and rainier than normal in the east and warmer and drier in the west. Summer will be slightly cooler and rainier than normal in the east and hotter with near-normal rainfall in the west. The hottest periods will be in early June and mid-August. September and October will be cooler than normal, with near-normal precipitation.

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 2020 to October 2021

Temperature and Precipitation Chart, November 2020 to October 2021 for Windsor, ON

Reader Comments

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weather for Acton, Ontario

The Editors's picture

Hi, Judy. A tent may be a good idea. During that time period the Almanac is predicting showers.

August 23

What is the likelihood of rain on Friday, August 23, 2019?

Sorry I should mention, it's

Sorry I should mention, it's in Woodbridge, Ontario

weather for Woodbridge, Ontario

The Editors's picture

Hi, Daff. During that time period the Almanac is predicting showers.

Outdoor baby shower??

Hoping to do an outdoor baby shower on Sept 15th. Will it possibly be warm enough?

September 7 outdoor engagement

Hey, just wondering about September 7!? We are having an outdoor engagement and I’m wondering if it’s going to be a really wet day??
Thanks

October 5, 2019

Hi, my wedding is on October 5, 2019 in Toronto. Any predictions on weather? We were hoping to have the ceremony outdoors. Thank you!

weather for Toronto

The Editors's picture

May we recommend a tent…

JULY 20 OUTDOOR BACKYARD ENGAGAMENT

Hi!

My daughter is having her outdoor engagement in Kitchener on July 20. What is the weather looking like for that Saturday?

Thanks !

Saturday July 20th 2019.

sunny and warm!

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